My July column (“Calibrate camera coordinates and colors”) described techniques you can use to calibrate vision systems. In some cases, though, basic calibrations do not suffice. General-purpose ...

Finding the right set of lenses for your machine vision system can be a daunting task. Wiebke Marzahn of Sill Optics addresses some common concerns by breaking the puzzle down into a number of key ...

Designing a machine vision system is new territory for many engineers. Fortunately, it's a fairly systematic process, beginning with selecting a lens. Designing a machine vision system is new ...

Usually, making microadjustments to a lens is a slow and exacting process. It involves taking a photos, making a tweak, and repeating ad infinitum until you have it looking as good as you can. But the ...