Apparatus for detecting infrared; Electronic rangefinders for hunting, golf; Heat detecting apparatus; Heat detection apparatus; Infrared detecting apparatus; Infrared detection apparatus; Infrared detectors for use in military, law enforcement, civil, scientific and industrial applications; Optical lens sights; Optical lenses featuring anti-fog coatings, UV-blocking treatment, anti-scratch coatings; Optical or telescopic lens sights; Oscillation sensor devices; Rangefinders; Remote controlle...