Westech Optical is your best source for high volume precision lenses, lens assemblies, mirrors, windows and beamsplitters. We design produce and test optics for a diverse range of applications including OCR, document scan......Westech Optical is your best source for high volume precision lenses, lens assemblies, mirrors, windows and beamsplitters. We design produce and test optics for a diverse range of applications including OCR, document scanning, medical instruments, machine vision, graphic arts, biometrics and any type of CCD imaging requirement.