Telecentric Lens Optimization for Machine Vision

Industry and engineering go through many changed and require their machine vision systems to keep pace with the growing need for speed and accuracy in measurement, inspection and robotics. Today there are just as many camera lenses to choose from as camera types. Wide field, telecentric, CCTV, fisheye, varifocal, and telephoto are a few lens types of on the market. One question that many come up is "Should our vision system employ a telecentric lens?" How can you determine whether such a lens is suitable? Four important benefits of telecentric lenses over traditional lenses are: removal of parallax, constant magnification over the entire image place, improved image quality and even illumination.