sensing, measuring, and viewing equipment and systems, namely, night vision apparatus and apparatus for observation under low light or visibility conditions by means of visible and/or near-infrared light, namely, viewing scopes, imaging scopes, tubes, binoculars, viewers, light receivers and amplifiers; optical lens sights; low-light level gun sights; observation and aiming apparatus optionally combined with night vision apparatus or with apparatus for observation under low light or visibility conditions, namely, holographic goggles, laser target pointers, night vision helmets; image-recorders for coupling to night vision apparatus or apparatus for observation under low light or visibility conditions; weapon fire-control detectors, sensors and computers for determining the source, direction, distance, and velocity of weapon firings; apparatus optionally coupled to night vision apparatus or apparatus for observation under low light or visibility conditions, namely, image intensifiers, video recorders and digital image recorders, both with an image intensifier; image-displays and printers; laser pointers; laser weapon targeting identifiers; sensors for detecting laser emissions from weapon systems; laser target illuminators; distance measurers using low level light, laser light or infra-red illumination; thermal infrared image-recorders and detectors; non-medical apparatus consisting of an image generator, namely, a mini-televison or miniature video screen applied to a head-mounted band and an optical device for reflecting the image of the image generator in the eye; weapon fire-control apparatus with associated detectors and ballistic computers; remote detectors and sensors for incorporation into satellites for observing and collecting data on the atmosphere and earth; pilot helmets; communicators and respirators, image generators and target image detectors with or without image intensifiers for pilot helmets; head-up displays and image intensifier for helmets; helmet mounted night vision goggles and holographic night vision viewers; modulation-transmission function analyzers for evaluating lenses and optical systems; telescopes; periscopes; field-glasses; microscopes; spectroscopes and stereoscopes; air reconnaissance sensors and scanners and installations, namely, optical scanners, laser scanners, radio scanners, infra red optical scanners and low light level optical scanners, photoelectric cells, photomultipliers; software for use in remote sensing atmospheric conditions and earth resources, namely, mineral deposits and oil deposits, supplied on magnetic and optical data carriers; spare parts and fittings for all aforesaid products

viewing equipment for use during surgery, namely, a mini-television or miniature video screen image generator applied to a head-mounted band and an optical device for reflecting the image of the image generator in the eye; holographic goggles; the aforesaid apparatus being for medical and surgical applications; spare parts of and fitting for all aforesaid products