https://sfmicrosociety.org/events daily 0.75 2026-02-24 https://sfmicrosociety.org/events/microscopes-for-space-exploration monthly 0.5 2021-04-18 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1617654207423-HXZRRO5RTOFD6D2VD7JT/20200922_105232.jpg Events - Microscopes for Space Exploration https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1617654246178-IIUUPWR71NDRA3E04XLC/stardust012818%2B01.JPG Events - Microscopes for Space Exploration https://sfmicrosociety.org/events/cal-academy-tiny-nightlife monthly 0.5 2020-10-19 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1603142002344-QEJLOYVEMIZ6RSOYEMHM/1200x900_tinynl.jpg Events - Cal Academy: Tiny Nightlife https://sfmicrosociety.org/events/plankton-love-and-board-member-elections monthly 0.5 2020-10-19 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1603141662950-SBEXXBAC67DY59FBB44Z/49245214_2660572233960574_8212446463200854016_o.jpg Events - Plankton Love & Board Member Elections https://sfmicrosociety.org/events/antarctica-life-under-the-ice-with-ariel-waldman monthly 0.5 2020-09-15 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1600206885618-Y0OCV08X4GREDGTJWBP0/49401313543_fcdb828c8b_o+%281%29.jpg Events - Antarctica: Life Under the Ice with Ariel Waldman https://sfmicrosociety.org/events/cheap-microscopy monthly 0.5 2020-10-19 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1603141373986-3LX8V86T83V0F7ZVFOGP/74406656_3515873645097091_2139103471020802048_n.jpg Events - Introduction to cheap field microscopy for the general public https://sfmicrosociety.org/events/backyard-micro-rodeo-roundup monthly 0.5 2020-09-15 https://sfmicrosociety.org/features daily 0.75 2025-12-17 https://sfmicrosociety.org/features/clives-corner-17-photomicroscopy-custom-solutions monthly 0.5 2025-12-17 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/88155b79-cb53-4920-915c-c6099a9bfad7/Screenshot+2025-12-17+at+2.00.14%E2%80%AFPM.png Features - Clive’s Corner #17: Photomicroscopy – Custom Solutions - Make it stand out Figure 1. (a) The eyepiece projection method where the eyepiece is raised above its normal position indicated by the dashed line. (b) The resultant image captured by the sensor of a Lumix 4/3 camera showing field-of-view of 17 mm at the image plane. Close ups of graticule at (c) the center and (d) the edge of image https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/e7cc5cbf-1c26-4427-b2f0-e081832f7727/Screenshot+2025-12-17+at+2.02.14%E2%80%AFPM.png Features - Clive’s Corner #17: Photomicroscopy – Custom Solutions - Make it stand out Figure 2. (a) Exploded view of components for attaching a USB camera to 10x microscope eyepiece, with an intermediate 6 mm focal length CCTV lens mounted in a 23 mm collar, a 23.5 to 30 mm eyepiece adapter, 1.5 inch PVC conduit with centering screws and a 32 mm shim to make a good fit to the eyepiece outer barrel. (b) Assembled optics with the CCTV lens 6 mm from USB camera sensor and the 10x eyepiece barrel projecting below. (c) Graticule full field-of-view = 14.8 mm. Expanded view of (d) center and (e) edge of the graticule image. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/7a467ae2-b45d-4819-8611-040106e713b1/Screenshot+2025-12-17+at+2.04.00%E2%80%AFPM.png Features - Clive’s Corner #17: Photomicroscopy – Custom Solutions - Make it stand out Figure 3 (a) EagleEye eyepiece and (b,c) adapter for attachment to camera lens via its filter thread. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/c2957522-9215-4dd0-bd79-5acfa5ab71b4/Screenshot+2025-12-17+at+2.04.55%E2%80%AFPM.png Features - Clive’s Corner #17: Photomicroscopy – Custom Solutions - Make it stand out Figure 4. (a) A dSLR camera attached to the EagleEye Eyepiece. (b) A camcorder attached to the EagleEye Eyepiece. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/e311e1ea-0255-4222-a513-a4f762327da7/Screenshot+2025-12-17+at+2.06.28%E2%80%AFPM.png Features - Clive’s Corner #17: Photomicroscopy – Custom Solutions - Make it stand out Figure 5. (a) dSLR camera attached to the EagleEye Eyepiece connected to the microscope body using a plastic vacuum cleaner tube. (b)Full field-of-view of a 2 mm graticule slide imaged through the Eagle Eyepiece with a Nikon dSLR, with the camera lens set at 35 mm focal length. (c,d) Enlarged section taken from the (c) center and (d) edge of the graticule shown in (b). (e,f) The same camera used to record the primary image, where the edge (f) is very poor, as reported previously. https://sfmicrosociety.org/features/clives-corner-16-photomicroscopy-capturing-the-primary-image monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/6634b997-0ddf-4f06-ab09-d1ff5d3f2c18/Screenshot+2025-09-15+at+7.03.37%E2%80%AFPM.png Features - Clive’s Corner #16: Photomicroscopy - Capturing the Primary Image - Make it stand out Figure 1. (a) A schematic showing the primary image formed by a microscope objective lens. (b) A USB eyepiece camera mounted in a trinocular port. The yellow arrow marks the adjustment collar to make the sensor parfocal with the eyepieces. (c) A digital SLR camera attached to the trinocular port using a 23.2 mm eyepiece adapter. (d) The same camera attached via a combination of stepping rings and a 42 mm T2 thread adapter. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/eb76b00d-4e56-404b-92fe-65b7f159631f/Screenshot+2025-09-15+at+7.04.27%E2%80%AFPM.png Features - Clive’s Corner #16: Photomicroscopy - Capturing the Primary Image - Make it stand out Figure 2. (a) A 1.3 MP USB lens-less camera designed to fit a 23.2 mm microscope eyepiece tube, together with an adapter to fit a 30.5 mm eyepiece tube. The latter was modified to include a small spigot so that the camera could be clamped into the eyepiece of a stereo microscope and prevent rotation within the barrel. (b) The full field-of-view of a 10 µm graticule captured with a 10x objective lens, corresponds to 0.36 mm (360 µm) compared with 1.8 mm seen by eye through a 10x eyepiece. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/14e9cab4-77ea-4bc7-8ff5-2e92779a571a/Screenshot+2025-09-15+at+7.05.17%E2%80%AFPM.png Features - Clive’s Corner #16: Photomicroscopy - Capturing the Primary Image - Make it stand out Table 1. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/c6bb5d0b-a4f6-4298-b25c-dcb2857fbe12/Screenshot+2025-09-15+at+7.08.25%E2%80%AFPM.png Features - Clive’s Corner #16: Photomicroscopy - Capturing the Primary Image - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/c3024f08-e07b-40da-a41e-372c7306d598/Screenshot+2025-09-15+at+7.07.29%E2%80%AFPM.png Features - Clive’s Corner #16: Photomicroscopy - Capturing the Primary Image - Make it stand out Figure 3. (a) Lens-less 23.2 mm tube adapter for Nikon camera (b) Similar adapter but with built-in 2X lens. (c)-(g) 10 µm graticule imaged with a 10x achromat objective lens. (c) Field-of-view with lens-less adapter equals 1.9 mm but is not parfocal with eyepiece. (d) Field-of-view with 2x adapter equals 0.75 mm. (e-f) Enlarged view of image c showing (e) center and (f) edge of field. (g-h) Enlarged view of image d showing (g) center and (h) edge of field. Note that for the wide field image of (c) but over a limited field equivalent to (d), the image quality is closer to that in (e) than (f). https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/cb82a027-c03b-428a-aa21-4f04dce058d3/Screenshot+2025-09-15+at+7.09.12%E2%80%AFPM.png Features - Clive’s Corner #16: Photomicroscopy - Capturing the Primary Image - Make it stand out Figure 4. (a) Primary image of 10 µm graticule captured with a 10x achromat objective (160/0.17) using a dSLR camera attached to an Amscope 120 microscope via 42 mm adapter as shown in Figure 1d. (b) Similar set-up but with 10x plan achromat objective (160/0.17). (c) Center and (d) edge of the image shown in (a). (e) Center and (f) edge of the image shown in (b). https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/dd24598c-2934-4cf7-bf38-94ec772301ee/Screenshot+2025-09-15+at+7.10.01%E2%80%AFPM.png Features - Clive’s Corner #16: Photomicroscopy - Capturing the Primary Image - Make it stand out Table 2. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/95599089-c9c0-4c71-931b-3ce187a4a094/Screenshot+2025-09-15+at+7.10.52%E2%80%AFPM.png Features - Clive’s Corner #16: Photomicroscopy - Capturing the Primary Image - Make it stand out Figure 5 (a) A Lumix GX85 mirrorless camera attached to an infinity tube-length Optika B510 microscope (inset = 10x objective lens). (b) 10 um graticule imaged with a 10x infinity objective shows a field-of-view of 1.74 mm i.e. the primary image was 17.4 mm diameter. Enlarge sections from the (c) center and (d) edge of field. https://sfmicrosociety.org/features/wythe monthly 0.5 2025-08-07 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/71fc9255-f1a9-4a4d-8851-9a368069c0c0/0D7D2CCA-CD19-4C7B-85D4-41719A7B2DE0.png Features - A Look Through J.H. Wythe’s Lens - Make it stand out A portrait of J.H. Wythe https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/58d0e790-68ad-4a43-9396-99d0aabbf1a3/Screenshot+2025-08-06+at+9.45.39%E2%80%AFAM.png Features - A Look Through J.H. Wythe’s Lens - Make it stand out A figure from The Science of Life https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/cba8a7fe-c765-4aa7-9368-14b902e1df3a/Screenshot+2025-08-06+at+9.45.15%E2%80%AFAM.png Features - A Look Through J.H. Wythe’s Lens - Make it stand out An illustration from The Science of Life https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/80f33198-119b-4502-a3f4-017290d05ec6/Screenshot+2025-08-06+at+9.46.12%E2%80%AFAM.png Features - A Look Through J.H. Wythe’s Lens - Make it stand out A figure from The Science of Life https://sfmicrosociety.org/features/diatomite monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/7f060313-a88a-4c23-acb1-fcfd0a70bcd6/1.jpg Features - A Glimpse into Ancient Micro-life: Cleaning Diatom Valves from Diatomite - Make it stand out 1. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/84b047b7-c758-4937-a03a-4640ddfe7880/2.jpg Features - A Glimpse into Ancient Micro-life: Cleaning Diatom Valves from Diatomite - Make it stand out 2. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/89e416a3-6e8e-4423-8da4-ed05ae708487/3.jpg Features - A Glimpse into Ancient Micro-life: Cleaning Diatom Valves from Diatomite - Make it stand out 3. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/50c26c9f-da16-40a7-a537-c367c49b7ce4/4.jpg Features - A Glimpse into Ancient Micro-life: Cleaning Diatom Valves from Diatomite - Make it stand out 4. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/87625ab9-8961-46e7-9e67-1c2c1bf8f700/5.jpg Features - A Glimpse into Ancient Micro-life: Cleaning Diatom Valves from Diatomite - Make it stand out 5. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/2d4fec16-298c-4615-82c0-b9f2187b5027/7.jpg Features - A Glimpse into Ancient Micro-life: Cleaning Diatom Valves from Diatomite - Make it stand out 6. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f747b9b6-9b06-41ac-aadf-af78185f931e/6.jpg Features - A Glimpse into Ancient Micro-life: Cleaning Diatom Valves from Diatomite - Make it stand out 7. https://sfmicrosociety.org/features/clives-corner-15-photomicroscopy-the-basics monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1c9aee1c-88fa-4ae8-9bd5-5b861d89b9fb/Screenshot+2025-06-08+at+8.14.32%E2%80%AFPM.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out Figure 1. The three basic arrangements for connecting an imaging sensor to a finite tube-length microscope. (a) The afocal method where a camera and its sensor replace the position of the eye lens and retina. (b) Primary image capture. (c) Use of a tube lens to form a secondary image at the sensor position. The eyepiece lens itself can be used as a tube lens by raising its position in the eyepiece tube. Similar arrangements can be used for infinity microscopes where the light leaves the objective lens as a parallel beam and an additional tube lens brings it to focus at the primary image plane https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1f327a4f-d665-42bf-8875-09e80bb9f174/3+things.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out a) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/fa9ce4db-d8aa-4700-b664-03833ddec12c/Screenshot+2025-06-08+at+8.18.17%E2%80%AFPM.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out b) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/4052fe2c-d184-4325-8314-d1a4c8b76c54/Screenshot+2025-06-08+at+8.18.24%E2%80%AFPM.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out c) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/78211fe4-54f0-410e-89a2-563409c01659/Screenshot+2025-06-08+at+8.21.45%E2%80%AFPM.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out a) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/b4bcc708-0794-4af5-8f8f-c59cc4fad94f/Screenshot+2025-06-08+at+8.21.51%E2%80%AFPM.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out b) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/a57c33ef-2159-4ded-8c78-d0eaf2fad60e/Screenshot+2025-06-08+at+8.21.57%E2%80%AFPM.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out c) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/139be3b5-a06f-462f-bff5-26cf623e7536/Screenshot+2025-06-08+at+8.24.04%E2%80%AFPM.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out a) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/dbbc137e-79ad-4a7c-9f49-c5f3ec9001ad/Screenshot+2025-06-08+at+8.24.08%E2%80%AFPM.png Features - Clive’s Corner #15: Photomicroscopy - The Basics - Make it stand out b) https://sfmicrosociety.org/features/clives-corner-14-pushing-the-limits monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/c1fabefd-61b8-4989-be27-89e2a7969aed/Screenshot+2025-03-04+at+7.46.50%E2%80%AFPM.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out Table 1 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f64260ff-f1b4-42e7-af83-e24bba9cd469/a.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/141e191d-bf44-463f-b53e-a8819c7ee0b3/b.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/3a5846c6-27f5-474e-a359-ef1111ebae0d/c.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out c. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/77bebd34-451a-4749-b374-76d28df0da3a/b.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/22a8811b-d51b-4f56-b99d-e6b35386c56a/4.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/bb7307ba-bac3-48da-899c-94f03cae44ac/5.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out c. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/0acd4a37-e36d-40ac-95f5-0af3b9c7f5b0/green1.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ce66f4c1-e79d-4ffa-814e-bfc09320afbe/green2.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/943e30d8-7a3f-457c-a782-24a23497e513/diat1.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/08aa5456-b0b7-40f2-a202-5107180d01be/Screenshot+2025-03-03+at+8.24.53%E2%80%AFPM.png Features - Clive’s Corner #14: Pushing the Limits - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://sfmicrosociety.org/features/clives-corner-13-light-sources-for-microscopy monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/fdf9ba14-8bb9-4a22-9b1f-bb5318455887/Screenshot+2024-12-01+at+4.56.40%E2%80%AFPM.png Features - Clive’s Corner #13: Light Sources for Microscopy - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/a80ea4d7-f1a5-45c1-bb27-f75bc46d45a9/Screenshot+2024-12-01+at+4.58.21%E2%80%AFPM.png Features - Clive’s Corner #13: Light Sources for Microscopy - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/514bda17-4c9a-4007-80d0-7a8bbdbd0762/Screenshot+2024-12-01+at+4.59.18%E2%80%AFPM.png Features - Clive’s Corner #13: Light Sources for Microscopy - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://sfmicrosociety.org/features/clives-corner-12-diy-phase-contrast monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/bcb4d966-27ce-4a27-9da8-28e2d689d293/Screenshot+2024-09-08+at+4.15.11+PM.png Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/66fa0c82-c1ee-43c6-bbe4-8c603629dda6/Screenshot+2024-09-08+at+4.15.21+PM.png Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/456c734c-de50-4ec1-a74a-d813905739f4/Screenshot+2024-09-08+at+4.16.39+PM.png Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out Figure 2. (a) Constructive interference of photons which are in-phase gives an enhanced amplitude (intensity) and a bright image, whereas (b) out-of-phase photons result in destructive interference and a dark image. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/0f2b110d-efc5-4700-8985-876ae829ba44/Screenshot+2024-09-08+at+4.20.17+PM.png Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out Figure 3. (a) The principle of phase contrast using a phase condenser. The sample is illuminated with a cone of light (yellow beam) formed by an annulus in the condenser. Most of this light passes through the specimen and medium and has a high intensity until it passes through the phase plate ring which attenuates the intensity by 70 to 90% (dull yellow beam) and shifts its phase by a ¼ wavelength relative to other positions in the phase plate. Any refractive specimen present on the slide will scatter light (red beam) so that some of it will miss the phase ring but will meet the un-deviated beam at the point of focus. The attenuation of the direct beam ensures it is of comparable intensity to the scattered beam. Depending on the refractive index of the specimen, constructive or destructive interference will occur between the dull yellow and red beams, giving a brighter or darker region in the image compared to the background intensity which passes through the slide. (b) In the modified version of phase contrast employed here, a ring light positioned at a distance, d from the objective lens is used to produce the illumination cone without the need for a condenser. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/97865af3-4c91-4734-b2e8-ac0dd3bcc8af/CCxx+phase+contrast+ver4.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/8d2eac7e-b2db-46b6-9b6c-17c5bcd1ae45/CCxx+phase+contrast+ver.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/4b2e1787-4813-4b6b-a2d4-4f499f6d124f/5.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/e4be0821-9436-444a-ac59-23c4b32d681c/1.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/0eb94537-25d1-4210-8af8-c78921025e0f/2.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out c. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/418d8ec1-4aef-425d-b48a-b9b3e84093e2/3.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out d. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/cc3f5cf5-a28b-4a66-a6d7-0bcc6047bccb/Screenshot+2024-09-08+at+4.33.45+PM.png Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/87d319cc-b5b1-4b47-92fa-dbef928693a0/a.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/0b8ea09d-01e5-4cf5-9a60-7dda3123c7f2/b.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/6bd58ada-4fc9-401b-965d-404eb76372fe/c.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out c. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/8657f6ce-e3d3-49e1-880c-5bf29a147ca1/6.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/613621de-0b0a-4788-bb8a-ecfc1ffbb186/7.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/aa401d45-638e-48bc-9484-e3d9f828363d/8.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out c. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/8f44543e-93fc-4b6e-ada8-e733a6ecd22c/n.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/c9527c6a-51db-4992-9ad2-17bcadd89707/m.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/47644e93-f2b1-4dc3-8e90-db8920d113f1/cer.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/fac6dd8a-2fd5-4262-9a08-a092579cbec6/cosc.jpg Features - Clive’s Corner #12: DIY Phase Contrast - Make it stand out b. https://sfmicrosociety.org/features/clives-corner-11-magnification-problems-demagnified monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/fbcca905-26ad-48f3-8c2a-eda3049cba53/Picture1.png Features - Clive’s Corner #11: Magnification Problems Demagnified - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/2e850d95-aadd-47b4-8a15-9e0c4d89fe9d/Picture2.png Features - Clive’s Corner #11: Magnification Problems Demagnified - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/c208b15f-1860-40bc-8681-90091990eb51/Picture3.png Features - Clive’s Corner #11: Magnification Problems Demagnified - Make it stand out a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/cabb2fd6-1280-47c0-a3b4-a7b3bea697be/Picture4.png Features - Clive’s Corner #11: Magnification Problems Demagnified - Make it stand out b. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1717960655597-8ITJHQZYJHHBTD7NZEFJ/5.png Features - Clive’s Corner #11: Magnification Problems Demagnified - a. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1717960655299-8S5YKLGIH8M4XXSB5K5Q/6.png Features - Clive’s Corner #11: Magnification Problems Demagnified https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1717960654461-22YNJ7UPN56H67MJD5SJ/8.png Features - Clive’s Corner #11: Magnification Problems Demagnified https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1717960654623-J832VJPR350VJ2K167U7/7.png Features - Clive’s Corner #11: Magnification Problems Demagnified https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/e55948aa-36c1-4ef8-8e00-68e40aa5090a/9.png Features - Clive’s Corner #11: Magnification Problems Demagnified - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f4635d74-17f6-4d89-b0f2-5b4d0b0f5df5/10.png Features - Clive’s Corner #11: Magnification Problems Demagnified - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/65b09767-bdb4-4ae1-8014-f979d945d82a/11.png Features - Clive’s Corner #11: Magnification Problems Demagnified - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1717960931733-EFTHX66K7FQ56ZC4O8VP/12.png Features - Clive’s Corner #11: Magnification Problems Demagnified https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1717960931582-5DW9Y5C32S3PXZCVXSTG/13.png Features - Clive’s Corner #11: Magnification Problems Demagnified https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1717960930566-LR9FMJPZPJH82ZLJZ449/14.png Features - Clive’s Corner #11: Magnification Problems Demagnified https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1717960930660-LWLJ4W1OEUJDWNRM38J0/15.png Features - Clive’s Corner #11: Magnification Problems Demagnified https://sfmicrosociety.org/features/clives-corner10-sample-chambers-for-plankton monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f925d598-e6af-4ef3-bd29-d580d06bf0d8/a.png Features - Clive’s Corner #10: Sample Chambers for Plankton - Make it stand out a) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/75ed805e-0324-4078-9aa0-66edf7b8264c/c.png Features - Clive’s Corner #10: Sample Chambers for Plankton - Make it stand out c) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/520811b9-daad-49fd-8c2b-366d9715601d/b.png Features - Clive’s Corner #10: Sample Chambers for Plankton - Make it stand out b) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/36f1e8c6-e8c1-40cf-9ce8-0029856c3f70/d.png Features - Clive’s Corner #10: Sample Chambers for Plankton - Make it stand out d) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/09772743-6491-403d-b27c-0bea2489767d/1.png Features - Clive’s Corner #10: Sample Chambers for Plankton - Make it stand out a) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/0ed899c8-bb86-4542-b365-e3d4011f15a6/3.png Features - Clive’s Corner #10: Sample Chambers for Plankton - Make it stand out c) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ccfa599b-8dd2-4144-a9a5-9f88621fd78b/2.png Features - Clive’s Corner #10: Sample Chambers for Plankton - Make it stand out b) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ae4896fb-6d6d-46b0-8330-c4c78bba37ec/4.png Features - Clive’s Corner #10: Sample Chambers for Plankton - Make it stand out d) https://sfmicrosociety.org/features/clives-corner-9-introducing-a-demonstration-microscope monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/4fd2f0d7-33eb-4a7e-9589-1c7aea58e53d/1a.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 1a. Grip clip with two 6mm magnets attached. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/efa0b716-08f1-4d11-942c-767816a88eff/1b.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 1b. Set of magnifying loupes. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1b53b96d-2ef9-4319-b5f8-46a4a2027c42/1c.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 1c. Components required for the demonstration microscope. From top left: “10x” eyepiece, card screen for primary image display, “20x” objective lens, sample slide, “15x” condenser lens, “5x” supplementary collector lens, adjustable iris diaphragm and LED flashlight with focusable collector lens. Below: optical rail with grip clips in approximate position before fine adjustments. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/209708f3-8890-434a-9492-412dfdcad748/2a.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 2a. Business card in binder clip with magnet on the base. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/918e7fd5-3661-4f9c-a1be-a9230cd66dd6/2b.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 2b. Test slide with a 1 mm grid mounted in binder clip with magnet on the base. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/8a5c1d55-0ffd-4c51-8801-a7a5caea171e/Screen+Shot+2023-12-03+at+8.17.38+PM.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Table 1. Magnification of Loupe lenses when used a magnifying lens or microscope eyepiece. The numerical aperture defines the efficiency of light collection, NA = n Sin α, where n = refractive index of the medium (= 1 for air) and α is the half angle subtended by the lens when parallel light is brought to a focus e.g., for the “10x” loupe, Sin α = half diameter/focal length = (20/2)/75 = 0.13 and α = 7.7 degrees. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/40a86fd6-2212-4f23-b76f-eca64728e83d/3.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 3. Primary image formation in a compound microscope with a finite tube length. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/040464f1-ba7d-469f-a75f-0c46e59a2496/Screen+Shot+2023-12-03+at+8.19.51+PM.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 4. (a) Controlling the light intensity of the LED using a 10K ohm potentiometer (b) as a variable resistance. (c) The negative terminal of the battery holder is soldered to the black wire and the red wire is soldered to the connector to the switch. (d) In normal operations these terminals make contact but here an insulator is made from a piece of plastic, so the current goes through the resistance. Setting the potentiometer resistance to zero results is the normal brightness of the LED. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/a20f28c7-2ac1-4d51-89f5-a28927fa02f5/5a.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 5a. The flashlight LED chip observed after removal of the focusing lens. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/0b6120f4-dea5-420a-9eb2-c20ed30eef28/5b.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 5b. Image of the LED chip at the front focal plane of the condenser when set up for Köhler illumination – note the fine grid like structure within the LED image. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/d0cdf4e4-6cd5-477d-ae1e-ce5ae476b953/5c.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 5c. A diffusion plate made from a yogurt pot lid used as an alternative to minimize local structure in the LED chip at the sample plane. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/aaa9df48-5938-4d98-b3e6-851a07800e9e/Figure+6%281%29.jpg Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 6. (a) Illumination conjugate planes where the LED chip is in focus. (b) Imaging conjugate planes where the test slide is brought into focus. The yellow beams represent the on-axis optical paths. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/741aab2f-d5c0-486c-8d98-a0aac59d35de/Screen+Shot+2023-12-04+at+7.23.48+PM.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 7. (a) and (b) the effect of closing the field iris reduces the diameter of the primary image. (c) and (d) the effect of closing the condenser iris is to reduce the intensity but leaves the field diameter unchanged. Note the primary purpose of the condenser iris is not to control intensity but the angle of illumination which effects the resolution and contrast of the image. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/2b96610c-7fbf-474b-88d5-2bf6872b3065/8.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 8. Demonstration of an infinity-corrected objective lens, using the “5x” loupe as a tube lens to produce the primary image on the card. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/6d265de1-c47d-46ca-ba63-20e4cdd40480/Figure+9%281%29.jpg Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 9. The conjugate planes of a microscope with an infinity objective lens. (a) the illumination path with Köhler optics (b) the imaging path with the test slide at the front focal plane of the objective. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ebb65b83-702c-4598-a689-83e15b75adcc/10a.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 10a. A non-scanning confocal microscope with a 5 mW laser. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/c6cc834a-b6c4-48c7-9987-91151d0702f7/10b.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 10b. Focused laser beam on the test slide i.e., the small blue spot. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/41a52281-be3c-4b32-9cd8-15424c60e3d3/10c.png Features - Clive’s Corner #9: Introducing a demonstration microscope. - Make it stand out Figure 10c. Image of the laser beam at the primary image plane, one focal length from the tube lens. https://sfmicrosociety.org/features/clives-corner-8nbspan-exciting-challenge monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/3a5f1e7f-a8aa-4bef-8a4a-f3bc474634b1/Picture1.png Features - Clive’s Corner #8: An exciting challenge - Make it stand out Figure 1. On the left: Optical arrangement used in a typical fluorescence microscope (epi-fluorescence). On the right: Alternative excitation mode using side-lighting. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/bb745371-2375-4902-8583-4799ca029100/2a.png Features - Clive’s Corner #8: An exciting challenge - Make it stand out Figure 2a. Use of LED flashlight for fluorescence excitation. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/7361a141-48d2-4916-a349-f76b7f97dccf/2b.png Features - Clive’s Corner #8: An exciting challenge - Make it stand out Figure 2b. A 37 mm yellow acrylic camera filter inserted within the body of a compound microscope to act as an emission filter. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/817eb2b0-02ae-438b-b36b-31a4339c8a2f/Screen+Shot+2023-08-27+at+10.02.10+PM.png Features - Clive’s Corner #8: An exciting challenge - Make it stand out Figure 3a. Spirogyra under bright-field illumination. (Camera = Nikon 3000 dSLR with 1/500 s exposure) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/89c965c4-4dcb-4063-919c-4f1a5a742d56/Screen+Shot+2023-08-27+at+10.02.07+PM.png Features - Clive’s Corner #8: An exciting challenge - Make it stand out Figure 3b. Same specimen under dark-field (Exposure = 1/50 s) https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/0aa8700d-602a-4127-8dcb-5e7a788df9ef/Screen+Shot+2023-08-27+at+10.02.02+PM.png Features - Clive’s Corner #8: An exciting challenge - Make it stand out Figure 3c. Chloroplast fluorescence revealed using a 450 nm LED and orange emission filter (exposure = 5s) https://sfmicrosociety.org/features/a-net-gain monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/309dcaec-14af-46e7-b1f5-c3aa273e14a4/Screen+Shot+2023-06-08+at+9.38.38+PM.jpg Features - A net gain - Make it stand out Figure 1a. A 50 µm mesh filter bag https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/21b4596b-c938-4693-9a33-463a5bf1e795/Screen+Shot+2023-06-08+at+9.40.05+PM.png Features - A net gain - Make it stand out Figure 1b. The mesh bag modified for plankton collection. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/5a959851-0992-40cb-8af5-d96bd2328d50/Screen+Shot+2023-06-08+at+9.43.36+PM.png Features - A net gain - Make it stand out Figure 2a. Cod end modified from pill bottle. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/81445617-8d14-4e11-9bf2-8d177b9075f7/Screen+Shot+2023-06-08+at+9.44.14+PM.jpg Features - A net gain - Make it stand out Figure 2b. The “50 µm” mesh net https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/9d3c58ac-52bb-4d32-83fe-ee61f563ecb9/Screen+Shot+2023-06-08+at+9.45.54+PM.png Features - A net gain - Make it stand out Figure 2c. A 20 µm mesh phytoplankton net https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/293c23d6-dbb9-44e3-b720-4bf68b0ce378/Screen+Shot+2023-06-08+at+9.46.28+PM.png Features - A net gain - Make it stand out Figure 2d. An 80 µm mesh zooplankton net https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/017f3cea-ffd1-40a5-8c20-5a7e5f5f2d4a/Screen+Shot+2023-06-08+at+9.57.49+PM.png Features - A net gain - Make it stand out Figure 3a. A portable microscope with a convenient mobile phone holder https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/dd8598c6-f442-44d4-87f6-15ce6088cabd/Screen+Shot+2023-06-08+at+9.58.19+PM.png Features - A net gain - Make it stand out Figure 3b. A sample of plankton collected from the Devon, UK coast. https://sfmicrosociety.org/features/let-there-be-light-anytime-anywhere monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/3981b4fa-1488-4272-bfe5-43a2acba0d86/1a.jpg Features - Let there be light – anytime, anywhere. - Make it stand out Figure 1a. Existing LED power supply in the base of an Amscope 120 microscope. The lead in the bottom right attaches to the LED light source via its JST connector. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/40b154df-df21-4f96-afc2-93a4a1a06ab6/1b.jpg Features - Let there be light – anytime, anywhere. - Make it stand out Figure 1b. Rechargeable 3.7 V battery with USB plug attached via 2-pin JST connectors. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ea799c99-6abe-4bb2-939b-802a2e6fa783/1c.jpg Features - Let there be light – anytime, anywhere. - Make it stand out Figure 1c. Underside of microscope showing the addition of battery, switches, variable resistor, and output coaxial plug. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/2bfee0b0-0eb8-43b9-8bfc-e79910ed46c1/Screen+Shot+2023-03-01+at+8.35.34+PM.png Features - Let there be light – anytime, anywhere. - Make it stand out Figure 1d. Top: the existing light intensity control wheel and added slider switch. Bottom: Battery power potentiometer knob and a push button switch with coaxial output connector. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/129e8ff8-9cc3-408a-a31e-6e34d1ac0ed4/Fig2_try+again.png Features - Let there be light – anytime, anywhere. - Make it stand out Figure 2. Diagram showing existing LED power supply (upper circuit) with added components for battery-powered operation (lower right) connected by the slider switch. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ae172700-dcad-4824-962d-78dc6b5b4709/Fig+3.jpg Features - Let there be light – anytime, anywhere. - Make it stand out Figure 3. Free-standing microscope using battery power. https://sfmicrosociety.org/features/living-in-a-polarized-world monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/861b9341-7a8a-4d33-89ed-d599f7e11261/Picture2c.png Features - Living in a polarized world - Make it stand out Sea salt, by polarized light https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/7b0f0590-d348-458d-9d8d-bebc103f9f39/Picture1.png Features - Living in a polarized world - Make it stand out Figure 1. Polarization analog: a vertical slit allows the passage of vertical oscillations in a rope (a) but blocks horizontal oscillations (b). From Introduction to Petrology: Creative Commons Attribution https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/adcf60bf-2e86-4e69-bb5c-89342ac135ab/Picture2a.png Features - Living in a polarized world - Make it stand out Figure 2a. Echinoderm pluteus show strongly birefringent internal skeleton. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/3b30d3e3-cbc5-46ec-8069-58954303c81b/Picture2b.png Features - Living in a polarized world - Make it stand out Figure 2b. The shell of an ostracod shows a characteristic cross pattern under polarized light. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/08bd2ccf-80aa-4894-8450-9871dd126e58/Picture2c.png Features - Living in a polarized world - Make it stand out Figure 2c. Sea salt crystal. A sea water sample was allowed to dry out. The large crystals of NaCl showed no colors, but smaller crystals of other minerals were birefringent. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/a0b77f78-d727-4c4d-8fcf-f09d2d77caa1/Picture2d.png Features - Living in a polarized world - Make it stand out Figure 2d. Polythene bag fragment appears bright under crossed polarizers, with strong birefringence where stretching has aligned the polymer molecules. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ca262a18-b123-4be9-bbdb-1f7d00daa97c/Picture3a.png Features - Living in a polarized world - Make it stand out Figure 3a. Two pieces of polarizing film overlapping in the crossed position. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/371b00c8-7081-49bd-b03c-e8c25b345ed8/Picture3b.png Features - Living in a polarized world - Make it stand out Figure 3b. Two 37 mm circularly polarized camera filters resting on polarizing film in the crossed and aligned position. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/91c7506d-2df1-4d6e-afd5-a8de3239ef3e/Picture3c.png Features - Living in a polarized world - Make it stand out Figure 3c. Schematic of the arrangement of polarizing films on a stereo microscope. P = polarizer, A = analyzer that is rotated to the crossed position. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/bdf0100e-a4af-4fa9-a5da-ddffd55e8acc/Picture3d.png Features - Living in a polarized world - Make it stand out Figure 3d. Circular polarizing filters on a stereo microscope. The lower polarizer is beneath the Talenti lid spacer, and the upper polarizer is screwed into a stepping ring glued to the objective turret. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/4df62970-eb42-4c88-9d97-4617a0c89365/Picture3e.png Features - Living in a polarized world - Make it stand out Figure 3e. Circular polarizing filter resting on light source of compound microscope. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f93e9d6a-e23a-4c49-80e8-03f7b3857eb6/Picture3f.png Features - Living in a polarized world - Make it stand out Figure 3f. A second 37 mm circular polarizer positioned beneath the removable ocular head. https://sfmicrosociety.org/features/tiny-drifters-in-san-francisco-bay monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/12301315-e5f2-4546-a244-cae0ce7c5da3/Picture1.png Features - Tiny Drifters in San Francisco Bay - Make it stand out Drawing one of the dinoflagellates that appeared in our plankton sample. Photo: Matt Biddulph https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/eae19e01-648d-4b3d-b10f-7a81160d5e3e/Picture2.png Features - Tiny Drifters in San Francisco Bay - Make it stand out Comparing notes on phytoplankton identification and photography. Photo: Matt Biddulph https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/cd9b2276-6ee6-4a7e-a2d1-c7a3b714788a/Picture3.png Features - Tiny Drifters in San Francisco Bay - Make it stand out Collecting a phytoplankton sample with a net in Oakland before the event. Photo: Anna McGaraghan https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f72df26e-2dbc-4e9f-8b8e-8642343eec3c/Picture4.png Features - Tiny Drifters in San Francisco Bay - Make it stand out The plankton sample. Look closely – can you see anything drifting in the water inside the jar? Photo: Anna McGaraghan https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/2527f188-3895-429e-92c3-6ce9ea764f25/Picture5.png Features - Tiny Drifters in San Francisco Bay - Make it stand out Preparing a slide with a water sample from a participant’s birdbath. Photo: Matt Biddulph https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ca0e9e68-1343-4963-bab5-fb7ffe53b75e/Picture6.png Features - Tiny Drifters in San Francisco Bay - Make it stand out Viewing a plankton sample through one of the Society’s vintage microscopes. Photo: Matt Biddulph https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/5bdbdcfc-80da-4f88-9366-91c3a79afbd8/Picture7.png Features - Tiny Drifters in San Francisco Bay - Make it stand out Plankton scientist Janai talks to the group. Photo: Matt Biddulph https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/e97a452e-7339-46bd-ae51-92ee379d441e/Picture8.png Features - Tiny Drifters in San Francisco Bay - Make it stand out A beautiful, detailed view of a polychaete worm. Photo: Anna McGaraghan https://sfmicrosociety.org/features/magic-wands monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/e1566e9b-2b07-4855-bffb-95a16d24003e/1a.png Features - Magic wands - Make it stand out Figure 1a. Using an inverted 10X eyepiece to examine an objective lens. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/97827f69-332b-49ac-9a31-22e147cd5adf/1b.png Features - Magic wands - Make it stand out Figure 1b. Using two eyepieces, connected by a vacuum cleaner tube, to make a phase telescope. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/077ce413-0c19-4ac2-9d90-8481513533c8/1c.png Features - Magic wands - Make it stand out Figure 1c. “Exploded” view of phase telescope. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/70481dea-e73f-4bac-92b9-12975aed121e/2a.png Features - Magic wands - Figure 2a. Figure 2a. Vacuum cleaner tube for C-mount camera connection. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/d8c9c821-6f51-4b77-8197-b9878536a3bd/2b.png Features - Magic wands - Figure 2b. Figure 2b. USB camera mounted on a vacuum cleaner tube at the primary image plane. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/a0a44ac2-eef5-4d1d-97ec-e05d8cf86f30/3a.png Features - Magic wands - Figure 3a. Figure 3a. Wide-field telescope eyepiece mounted on microscope using a vacuum cleaner tube. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/d4fda8a4-77b8-4bee-b5c6-156f3da0491a/3b.png Features - Magic wands - Figure 3b. Figure 3b. Camcorder attached to wide-field eyepiece for afocal video photography. https://sfmicrosociety.org/features/party-for-the-pollinators monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/261f8ac3-e56b-4bbd-99e1-5e8cbe1a7b47/20220813_111648.jpg Features - Party for the pollinators - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1661140935690-9NO5SJLYEPM35Z2NJ6EO/20220813_102842%281%29.jpg Features - Party for the pollinators https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1661140938650-P5Y7X286MIBKUA2B32JW/20220813_130110.jpg Features - Party for the pollinators https://sfmicrosociety.org/features/victorian-microscope-art-meetup monthly 0.5 2022-08-12 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/149534c9-0a6d-4f55-aca7-20cecc30a75b/486A0587_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/8a02718e-4ca9-47d5-8963-27950943276f/486A0424_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/d3a652b3-ae71-48f0-b43e-d301d45e331a/486A0675_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/51d4215d-f15b-4942-a65a-92f86f93a055/486A0577_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/60b5459a-ed6b-47ce-8a41-f4843aaeec62/486A0554_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1660343715731-3PUI3T1YJVXUX8OOMTR6/486A0430_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1660343715468-D4TJ0BPMPKOSQJYS2MU6/486A0469_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1660343725433-TLPNU89I8A5CC9A3GMEH/486A0488_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1660343725576-OUBCX8I92PSXSHQPBCZB/486A0515_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1660343737596-M1K45L54TIKVA02WALHO/486A0605_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1660343738145-IKUIIGRKN22F01BKT251/486A0621_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1660343743406-G7JHEYUR0QLD8AK1SVCK/486A0634_medium.jpg Features - Amazement at the Victorian Microscope Art Meetup https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/6c787e3b-9174-4cb5-8eb2-36f97af049ca/IMG_7878.JPG Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/3795a9af-bf1e-46d7-a9f4-65bbeca2b849/IMG_7768+2.jpeg Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/a515effa-0fbb-41ed-bcc5-9e8b34447829/KlausKemp_butterfly1.png Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f0921d4e-3396-4c13-b5cd-997b520a4902/IMG_7769+2.jpeg Features - Amazement at the Victorian Microscope Art Meetup - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://sfmicrosociety.org/features/clives-corner-3-setting-the-stage monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/053bb6df-327e-408b-b439-eb31d1cb9dab/PIC_4528.JPG Features - Setting the stage (get your gelato!) - Make it stand out Double Dark Chocolate lid as a darkfield condenser. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/b9d13002-0d5e-4810-a425-2a85bddcc99a/Screen+Shot+2022-05-15+at+8.47.03+AM.png Features - Setting the stage (get your gelato!) - Make it stand out Figure 1a. Schematic of the darkfield stop arrangement. A 12 mm hole and 13 mm diameter stop works for the 3x objective on my Amscope 350 stereo scope. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/6dfd4985-1575-4ff1-8f46-9a31fab8cb02/Screen+Shot+2022-05-15+at+8.47.15+AM.jpg Features - Setting the stage (get your gelato!) - Make it stand out Figure 1b. An upside-down view of the condenser, showing aluminum foil attached to the darkfield stop which in turn is taped to the soda can and Talenti lid. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1ae9e99a-1b12-4496-9498-5255c50b15b4/Screen+Shot+2022-05-15+at+8.47.32+AM.png Features - Setting the stage (get your gelato!) - Make it stand out Figure 1c. A alternative arrangement with the soda can reflector resting just above the LED light source, and a reflector attached on the underside of the darkfield stop. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/aaf763c6-24a2-40c6-a91f-eb5043c0c3ef/Screen+Shot+2022-05-15+at+8.47.47+AM.jpg Features - Setting the stage (get your gelato!) - Make it stand out Figure 1d. Additional peripheral lighting can be added using a ring of LEDs (Angel Eyes). https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/84982c7d-6ed2-45e4-8fb1-8277f7de20a3/Screen+Shot+2022-05-15+at+9.06.23+AM.png Features - Setting the stage (get your gelato!) - Make it stand out Figure 2a. Brightfield image of pond sludge: 30x magnification. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/2f89696a-ecd4-4a9f-9f02-7def268542a8/Screen+Shot+2022-05-15+at+9.06.32+AM.png Features - Setting the stage (get your gelato!) - Make it stand out Figure 2b. Darkfield image of pond sludge: 30x magnification. https://sfmicrosociety.org/features/igniting-new-explorers-of-the-microcosmos-at-the-bay-area-science-festival monthly 0.5 2022-05-02 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f37212d0-b41d-4118-a944-5be431236598/486A9803.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival - Make it stand out Photo by Matt Biddulph. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/aa635354-6c51-48e5-a1bb-682577c1a3ed/486A8897.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival - Make it stand out Ready to start the show! Left to right: Janai Southworth, Eric Weinstein, Ariel Waldman, Peter Werner, and Jasmine Richardson. Photo by Matt Biddulph. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452408168-38A63PJRJHXMSMWPEXSI/Medium_486A9099.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452406397-7D0AVLSNTRMNPHRUIX37/Medium_486A9182.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452431549-XGTU09HSLIC9Q5TNFMSK/Medium_486A9230.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452454498-OY83NMJFSCNZ0U1V28HK/Medium_486A9298.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452452394-N8UK3VNSAV4S9T1MXBYH/Medium_486A9353.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452471629-TY4L3IWIQ2MMV9AGCDEV/Medium_486A9474.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452487539-XPRFTGRAXIQX10Z7K8TE/Medium_486A9482.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452487666-Q6TREIWAA2JQF2218XYD/Medium_486A9498.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452506351-5C2X5M60YAY0VGACYG11/Medium_486A9613.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452519493-VQEDH0ZBLHT6Z1514CCN/Medium_486A9712.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452536111-YMU2SLMFDHLW37KZU4UX/Medium_486A9760.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1651452534666-W7F7EX5M47KMSLJTESX1/Medium_486A9821.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/b0c7315d-4f84-4b07-be31-51de65948f41/cameraperson.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival - Make it stand out Photo by Janai Southworth. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/196dc9cd-cd38-4dd4-bb88-2724cfce2f45/1_Screen+Shot+2022-04-29+at+5.06.44+PM.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival - Make it stand out Janai Southworth and Justin Holl demonstrating ocean chemistry. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/fcea1e38-ea0b-4f34-97e0-59e37cfd08b1/20220430_141632.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival - Make it stand out Peter Werner introduces attendees to various specimens. Photo by Mario Gabiati. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/39894f11-3e59-477d-b0b2-c453675b0c68/20220501_190754.jpg Features - Igniting new explorers of the microcosmos at the Bay Area Science Festival - Make it stand out Peter Werner, Mario Gabiati, and Janai Southworth after they loaded up all the gear at the end of the event. Photo by Mario Gabiati. https://sfmicrosociety.org/features/truth-seeking-among-the-truffles monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/a103fcff-f3a5-42e8-af8d-6837b47f8b97/IMG_6020.JPG Features - Truth and truffles - Make it stand out The author, Maria Pinto (right), with SFMS Treasurer Jasmine Richardson on Jasmine’s truffle plot. Maria is holding a Berkeley’s polypore (Bondarzewia berkeley) that she found a few miles away from Jasmine’s farm. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/a86d643f-971a-41a3-9d71-d196d31f1809/IMG_6021.JPG Features - Truth and truffles - Make it stand out The author and Jasmine struggle to find lateral roots of a downy oak tree (Quercus pubescens). Oaks establish tap roots before they focus their energy on growing lateral roots that form ectomycorrhizas. It usually takes 3-4 years before lateral roots are easily sampled. By that time, the lateral roots covered in black truffle mycorrhizas will start to form "brûlés" or "burnt" areas when the fungus produces VOCs that act as a natural herbicide around the truffle trees. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/b46bdc5d-0fab-494f-be3a-1a4227b4b17f/IMG_6022.JPG Features - Truth and truffles - Make it stand out The author viewing verified Tuber melanosporum mycorrhizas that had been freezer-preserved and defrosted for comparison of morphology to the mycorrhizas found in the field. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/b767232c-aa9f-458c-a064-894976408800/T-melano_mycorrhizas_nursery_seedlings_Q.macrosporum.jpg Features - Truth and truffles - Make it stand out Freshly analyzed bur oak seedlings (Quercus macrocarpa) heavily colonized by Tuber melanosporum. https://sfmicrosociety.org/features/taking-a-walk-on-the-dark-field-side monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/f514d879-fb3d-47aa-9f70-6e57d419bbd2/Picture1.png Features - Taking a walk on the dark(field) side - Make it stand out Condenser with swing-out filter holder (left) and darkfield patch stop in holder (right). https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/64d0dfa1-45ea-4431-8040-172bda165015/Picture2.png Features - Taking a walk on the dark(field) side - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/04210c24-3715-4c3b-b603-01be4a40e1a9/Picture3.png Features - Taking a walk on the dark(field) side - Make it stand out Example of a darkfield and oblique microscope mask set available for purchase. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/5bbd02e2-7090-4cf2-852b-451b548c0e9b/Picture4.png Features - Taking a walk on the dark(field) side - Make it stand out Worm collected September 11, 2020 from marine waters off of the Santa Cruz Municipal Wharf, as viewed with different illumination techniques. https://sfmicrosociety.org/features/condenser-properties-condensed monthly 0.5 2021-12-10 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1639119946618-KFFPZW571EIE47L2BJS1/Screen+Shot+2021-12-09+at+11.05.03+PM.png Features - Condenser properties condensed - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://sfmicrosociety.org/features/oculars-wide-open-the-power-of-live-sharing-our-microscopical-views monthly 0.5 2026-01-03 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623548080466-CMHA7S8B81M5RKSTJJHE/IMG_9185.jpeg Features - Oculars Wide Open: The Power of Live-sharing Our Microscopical Views - Make it stand out Photo credit: Caren Quay https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623548250716-RGGCZ2TQRH4ZZY6TV1E8/Collecting+a+phytoplankton+net+tow.jpg Features - Oculars Wide Open: The Power of Live-sharing Our Microscopical Views - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623548295560-WDNJDD4MFL23RWOIIV9B/unnamed+%281%29.jpg Features - Oculars Wide Open: The Power of Live-sharing Our Microscopical Views - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623548333514-1EVH6ELMPFT6Q22QVLQ5/unnamed+%282%29.jpg Features - Oculars Wide Open: The Power of Live-sharing Our Microscopical Views - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623548371905-WPANBHZF3MDRN8F3CEVD/IMG_7585.jpeg Features - Oculars Wide Open: The Power of Live-sharing Our Microscopical Views - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623548394581-989E4O2F621F2XLIPHJQ/IMG_7096.jpeg Features - Oculars Wide Open: The Power of Live-sharing Our Microscopical Views - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://sfmicrosociety.org/features/micro-newsbites-june-2021 monthly 0.5 2021-06-13 https://sfmicrosociety.org/features/meet-miranda monthly 0.5 2026-02-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623545835289-JAC87G4S776G25HB7XG9/IMG_1708.JPG Features - Meet Miranda! New technology in San Francisco Bay - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623545922113-MOA8ZYHSTAMMYZZLVRZP/IMG_1945.JPG Features - Meet Miranda! New technology in San Francisco Bay - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623545976800-P4RYPFJW5PVIPRDNCGAP/ditylum_D20151111T234430_IFCB104_00359.jpg Features - Meet Miranda! New technology in San Francisco Bay - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1623545991546-5XRYQ12X2VPDFDHXXBHT/unnamed.jpg Features - Meet Miranda! New technology in San Francisco Bay - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://sfmicrosociety.org/features/starch-gelatinization-under-the-microscope monthly 0.5 2022-04-02 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274325098-D3K7ER102DR3KRZI1ZCX/01.jpg Features - Starch Gelatinization Under the Microscope Ripe (left) versus unripe apple https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274379989-S66T0HYH14UVG4MOFYQ3/02.jpg Features - Starch Gelatinization Under the Microscope Cooked, iodine-stained potato starch granules https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274430831-ERX4IN065AF38LSGAA00/03.jpg Features - Starch Gelatinization Under the Microscope Potato starch granules illuminated with unpolarized light, 20x https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274465146-DU55Y591TTK4NMIG4T22/04.jpg Features - Starch Gelatinization Under the Microscope Potato starch granules illuminated with polarized light, 20x https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274505153-DDKWU9L8K4RGNFKXGL4D/05.jpg Features - Starch Gelatinization Under the Microscope Potato starch, 60x, open condenser aperture diaphragm—starch granule looks relatively featureless https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274535597-WVOSTMJ1QYLVJPOM6CZY/06.jpg Features - Starch Gelatinization Under the Microscope Potato starch, 60x, more closed condenser aperture diaphragm—strata become visible https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274681940-ZWH14AM4XBDG3XWJJCJ9/07.jpg Features - Starch Gelatinization Under the Microscope https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274711409-61UG65YAR1CCTEN0EU7R/08.jpg Features - Starch Gelatinization Under the Microscope https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274859683-F4DTDROLNXEHOEDWW379/09.jpg Features - Starch Gelatinization Under the Microscope Z-Stacked, iodine-stained potato starch heated and then cooled, illuminated with polarized light, 4x https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1615274898023-NQT30J2D1HRSBF1VKLF3/10.jpg Features - Starch Gelatinization Under the Microscope Z-Stacked unheated potato starch granules, 20x https://sfmicrosociety.org/features/call-for-officer-candidates-2019 monthly 0.5 2020-10-19 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1603143213477-OHMPEY3B6EYXGCCUIHNH/wordcloud.jpg Features - Call for Officer Candidates https://sfmicrosociety.org/features/microbial-appreciation-2017 monthly 0.5 2020-10-19 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1603143023936-OE4TEYMF93YQ9YYZ4T55/689c31be6beff19bc8f76c122a83b46f-600x384.jpg Features - An Evening of Microbial Appreciation https://sfmicrosociety.org/features/tour-of-gigamacro monthly 0.5 2020-10-19 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1603142885142-XWX1U9HWZN342HH5PV0C/screenhunter_226_jul._12_09.51.jpg Features - SFMS Tour of GigaMacro https://sfmicrosociety.org/features/sfms-berkeley-art-museum monthly 0.5 2020-10-19 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1600302948038-2G2QNBFVE84VPINW6QA3/01_0.jpg Features - SFMS at Berkeley Art Museum https://sfmicrosociety.org/features/blue-green-algae monthly 0.5 2020-10-19 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1600302925731-VU9E2STM2ONCNDFZ65DF/cyanobacteria_cont.-1.jpg Features - Blue-Green Algae https://sfmicrosociety.org/features/category/Events monthly 0.5 https://sfmicrosociety.org/features/tag/bay+area+science+festival monthly 0.5 https://sfmicrosociety.org/features/tag/outreach monthly 0.5 https://sfmicrosociety.org/features/tag/event monthly 0.5 https://sfmicrosociety.org/features/tag/san+francisco monthly 0.5 https://sfmicrosociety.org/home daily 1.0 2026-03-20 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1597297219548-PEZWABJJ22FQRN97EIXG/Simple%252BColumnar%252BEpithelium.jpg Home Close-up of a colorful, textured surface with numerous small dark spots and red lines, resembling a detailed microscopic image of a biological tissue or a patterned natural surface. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1597297287523-VFLHD8SRB4BUQ3900PQ7/CreativeCommonsZero_Plasmodium+falciparum+malaria-+liver..jpg Home Microscopic view of human liver tissue stained with pink and purple colors showing liver cells and surrounding structures. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1597297671338-3GY8TKU2FSWTSOGM5YMG/ProjectZoom_4x.jpg Home Close-up of a plant stem cross-section showing intricate patterns of green and orange vascular tissues. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/75e46d27-7f7a-4d2b-aefc-e54378f93dbc/Film+Version+-+v2.0+ARIEL+PICTURE+LOCK.05_09_01_08.Still016.jpg https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/cc7e459c-bfa0-4831-a474-c5e164ebc7ae/IMG_0388.jpg https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/7fdcf3d6-38c4-46b0-bb02-0cec5db53616/486A8897.jpg https://sfmicrosociety.org/about daily 0.75 2026-02-25 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/8a492f3f-4d29-4913-9b0e-0446fcfab3ae/janai.jpg About https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/281b1d7a-334d-40f3-87e8-34b4ac2583fb/profile.jpg About - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/45e2054d-82b7-4bfa-8ee3-9f7afb87ad31/55bb6203-e124-4fb8-a793-ff0343a44cd9+%281%29.jpg About https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/76c803ba-4025-4e79-ab66-a77824e07f5c/ken.jpg About - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/ff4b2004-9307-4529-bc57-fa6f62990685/Lena.png About - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/b53c73e3-fcda-46ee-a4c1-14699b04ea80/Diana.jpg About - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/fae37059-5a47-4737-bef0-bf9553267d8b/Anna.png About - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/7f7e19af-e8ca-4b6c-922a-e74993278db1/IMG_5748.jpg About https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1610429620783-10PDP6A1W4DRY3CHVPPW/Ariel_Microscope_2000.jpg About https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/5ebcfbf3-b9a6-4ba6-8f34-47f0dece0810/MyronChan.jpg About https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1610949014557-M6OOVL4GAQ6LL6F6H4SK/HenrySchott3.jpg About https://sfmicrosociety.org/contact daily 0.75 2022-01-21 https://sfmicrosociety.org/history daily 0.75 2024-08-05 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1600228966736-TPDIEYMTZUU93NIE6DB3/Credit-+Microscope+signed+%2522G.R.+Brander+fecit.+Augsberg%2522.+Credit-+Wellcome+Collection.+Attribution+4.0+International+%28CC+BY+4.0%29.jpg History Microscope signed "G.R. Brander fecit. Augsberg." Mid 18th century. Modified form of screw-barrel with compound body. Credit: Wellcome Collection, CC BY 4.0 https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1605680485216-TJUZOGYD7HKUCLUY1YVB/SFMS_1974_newspaper_thumbnail.jpg History A story from the 19th century San Francisco newspaper. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1600290298543-RPV04CNAKV7V7VC0TM7O/SFMS_StanfordLibrary_Cropped.jpg History The rooms of the San Francisco Microscopical Society. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1600292365612-ICRRO0VY1UC11X3HEA25/ThePracticalUseOfTheMicroscope_Needham-1.jpg History The Practical Use of the Microscope, 1958 edition. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1600293577456-EIIZ4Y2TJTT2BA6766CE/rheinfig_colorized.jpg History Figure from Microscope Notes and News. https://images.squarespace-cdn.com/content/v1/5f2342dae0e56b271e7dabc5/1603150325955-QBWN3H6D87NAGOX61DVR/Screen%2BShot%2B2020-10-19%2Bat%2B2.47.37%2BPM.jpg History 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