What Is F-Number in Machine Vision? Aperture, Depth of Field, and Diffraction Explained

The aperture parameter that sets light throughput, depth of field, and diffraction. Why engineers call low F-numbers fast, plus numerical aperture, the entrance pupil, and low-light lens selection. This blog post was originally published at Commonlands’ website. It is reprinted here with the permission of Commonlands. F-number (written f/#) is the ratio of a lens’s […] The post What Is F-Number in…