Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic solar modules; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic thermal module; Archery equipment, namely, telescopic bow sights; Body armor; Crossbow scopes; Day and night vision systems primarily comprised of day and night sensors, day and night cameras, and monitors; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Gun scopes; Infrared cameras; Laser rangefinders; Night vision goggles; Photovoltaic installation apparatus, namely, solar modules for production of electricity, solar thermal and electric receivers, tracking mechanisms and concentrating optics, and control algorithms; Protective body armor, namely, ballistic, bullet, blast, slash and stab resistant clothing; Protective body armor, namely, ballistic, bullet, blast, slash and stab resistant vests; Protective lens covers for telescopic gun sights; Remote sensors for use in measuring thermal and infrared radiation energy waves; Rifle scopes; Solar batteries; Tactical laser sights; Telescopic lens sights