Uploaded February 2025 | Updated September 2026, 2 weeks ago

---

I removed the protective glass from a CMOS image sensor, and used optical immersion oil to couple the bare image sensor to a 40X NA=1.3 microscope objective.

f/0.7 Zeiss lens described in amazing detail: marcocavina.com/omaggio_a_kubrick.htm

Fake f/0.33 Zeiss lens: petapixel.com/2013/08/06/carl-zeiss-super-q-gigantar-40mm-f0-33-the-fastest-lens-ever-made

Camera and sensor that I used: ids-imaging.us/store_us/products/cameras/ui-5584le-rev-1-2.html
onsemi.com/products/sensors/image-sensors/mt9p006?pdf=

Conversion from f/# to NA: eckop.com/resources/optics/numerical-aperture-and-f-number

More discussion about the f/#: https://wp.optics.arizona.edu/jpalmer/wp-content/uploads/sites/65/2018/11/The-f-stops-here.pdf

Support Applied Science on Patreon: patreon.com/c/AppliedScience