Image intensified night vision equipment and thermal imaging night vision equipment, namely, night vision goggles, weapon sights, vehicle and aircraft night vision equipment, namely, night vision scopes, goggles, binoculars and monoculars; optical modules, namely, image transfer or display optical modules, optical beam transfer and optical beam splitter for night vision equipment and infrared objectives for airborne, land and naval applications; optical modules for head-up, head level, head down displays for airborne, land and naval applications; helmet mounted vision displays; binoculars; sighting telescopes; optical collimators; bar code scanners; video projectors and video cameras; optical instruments, namely, microscopes, stereoscopes, and telescopes; optical lenses, namely, zoom lenses and other lenses for optical instruments; illuminators for microscopes and endoscopes; video couplers; TV camera lenses; optic endoscopes; optical lenses, namely, telecentric lenses, lens objectives, lens eyepieces and catadioptric lens objectives; visible, infra-red and ultra violet optical components, namely, spherical lenses, aspheric lenses, flat lenses and optical windows, prisms, domes, cylinders mirrors, diffractive lenses, windows, front surface mirrors, hot mirrors, cold mirrors, dielectric mirrors, transparent mirrors, and anti-glare panels for visual displays; visible light, infra-red and ultra violet optical filters of following types, namely, long and shortwave pass filters, narrow band pass filters, wide band pass filters, square band filters, dual band filters, color separation filters, heat/light separation filters, dichroic filters, trichroic filters, neutral density filters, attenuations filters, edge filters, and laser blocking filters

Maintenance and repair of night vision equipment and optical equipment and apparatus

Coating services, namely, coating of lenses and optical components

Design and engineering services for others in the field of optical equipment, optical imaging systems and optical components