Telescopes; Camera stability accessory, namely, a support arm, vest and sled for film and video cameras to absorb shaking moves while shooting; Day and night vision systems primarily comprised of day and night sensors, day and night cameras, and monitors; Goggle retention clips for protective helmets; Helmet safety lights; Infrared detectors for use in military, law enforcement, civil, scientific and industrial applications; Night vision goggles; Optical lens sights; Optical or telescopic len...