Optical glasses; Optical couplers; Photoelectric tubes; Head-mounted video displays; Polarimeters; Transparent electronic displays fixed at head-level or head-down positions for use in military and commercial aircraft for providing aircraft crew members with navigational and operational information; Eyewear; Optical devices, namely, eye pieces for helmet mounted displays; Head-up displays for use in general aviation aircraft, namely, transparent electronic displays for providing aircraft crew members with navigational and operational information; Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; Wearable computers in the nature of smartglasses; Eyeglass lenses; Monocles; Electronic components in the nature of infrared detectors for use in further manufacture; Infrared detectors for use in military, law enforcement, civil, scientific and industrial applications; Heads-up displays (HUDs) in the nature of transparent electronic displays for use in projection of data from a mobile device onto a vehicle windshield and providing motorcycle riders with navigational and operational information; Image intensifiers; Video displays mounted in eyeglasses; Virtual reality glasses; Photoelectric cells; Photomultiplier tubes; Optical lenses; Cathodes; Night vision goggles