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 ...

Telecentric Lenses are widely used in metrology instruments, laser marking systems, and AOI (Automatic Optical Inspection) machines. Here’s a 360 view of one of our custom Telecentric Lenses which was ...

Edmund Optics® (EO), the premier provider of optical components, introduces its TECHSPEC® In-Line Compact Telecentric Lenses. These versatile lenses feature an ultra-compact design with a small ...

Perspective errors, or parallax, are part of everyday human experience. In fact, they let the brain interpret the 3D world. For example, closer objects to appear relatively larger than those away.

When developing an inspection system for PV (photovoltaic) solar-wafer, solar-cell, and FPD (flat-panel display) products, developers need to choose the type of camera lens that is most appropriate ...

The microscope combines a big telecentric photolithography lens with a large tube lens to create sharp, detailed images of large and curved samples. These lenses project the image onto a flat array of ...

A new bench-top contour projector for measuring parts uses a variety of features normally only found on larger models, according to the manufacturer. The Focus contour projector's telecentric optics ...