What are the f-numbers on machine vision lenses? f-stop explained!

Why does 1stVision focus (no pun intended) so much on machine vision lenses.  As the old saying goes, if you have garbage in, you get garbage out. The lens is the input to the machine vision system.  A low quality lens means that you have already degraded the image coming into the sensor.  For instance, … Continue reading What are the f-numbers on machine vision lenses? f-stop explained!