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 ...

Focus stacking is a technique that will give your macro shots much sharper focus. Here's how to get started with a dSLR. Lexy Savvides Former Editor at Large Lexy was a producer and on-air presenter ...

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 ...