Optical sight glasses; optical target surveillance apparatus, namely, thermal sights, night vision sights, red dot sights, and laser aiming devices; optical target trackers, namely, thermal sights, night vision sights, red dot sights, and laser aiming devices; optical target location apparatus, namely, infrared optics in the nature of infrared detection apparatus, thermal sights, and telescopic sights for locating targets; objectives, namely, optical object lenses, and magnifying lenses; prisms for optics purposes; filters for optical purposes; magnifying glasses for optics purposes; optical image enhancing apparatus, namely, image intensifiers and red dot sights for firearms; telescopic sights for artillery; telescopic target sights for artillery; telescopic distance measuring apparatus with a digital read out; riflescopes; tactical laser target sights for artillery; tactical laser target sights for guns; telescopic measuring rules; telescopes; body-tubes for telescopes in the nature of lens-barrels; collimators; telescopic bow sights; lenses for telescopes; reflectors for telescopes; tripods for telescopes; autocollimators; prisms for telescopes; telescopic target surveillance apparatus, namely, electric and electronic telescopic video surveillance installations and telescopic bow sights; telescopic target location apparatus, namely, reflecting telescopes and telescopic bow sights; telescopic riflescopes; telescopic bow sights for archery; electronic telescopic target sights for artillery; electronic telescopic target sights for guns; eyepieces, namely, protective eye pieces; instruments containing eyepieces, namely, rifle scopes, viewfinders and angled viewfinders, optical and telescopic lens sights, telescopes; aiming telescopes; telescopic sights for terrestrial weapon use; telescopic sights for artillery, namely, telescopic bomb sights; night vision goggles with built-in airlines; telescopic sights for aeronautical weapon uses; telescopic sights for firearms; sighting telescopes for firearms; infrared optical apparatus, namely, thermal sights, night vision sights, red dot sights, and laser aiming devices; infrared devices for guiding weapons, namely, infrared sensors for guiding weapons