Image intensified night vision equipment, thermal imaging night vision equipment, optical modules and components, optical modules for head-up, head level, head down displays, helmed mounted displays, scopes, binoculars, sighting telescopes, collimators, electro optical measuring equipment, anti-glare visors; bar code scanners, video projectors and video cameras; optical instruments; microscopes, stereoscopes, keratometers, vertometers and telescopes; zoom lenses and other lenses for optical i...