4 ms·
Keeps referring to high-NA and low-NA. What's NA? (Numerical aperture is all that comes to mind.)
by abecedarius 2y ago
Keeps referring to high-NA and low-NA. What's NA? (Numerical aperture is all that comes to mind.)
- tester756 2y agoIn optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes the range of angles over which the system can accept or emit light. https://en.wikipedia.org/wiki/Numerical_aperture https://en.wikipedia.org/wiki/Numerical_aperture
- deleted 2y ago[deleted]
- ohazi 2y agoNumerical aperture https://en.wikipedia.org/wiki/Numerical_aperture https://en.wikipedia.org/wiki/Numerical_aperture
- abecedarius 2y agoHeh, edit jinx. This answer leaves me almost as at sea, so I guess my time's not best spent on this article. Thanks.