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  2. AN/PVS-5 - Wikipedia

    en.wikipedia.org/wiki/AN/PVS-5

    The AN/PVS-5 is based on the SU-50 which was a first-generation night-vision goggle adapted by the United States Air Force in 1971. From 1972 until 1990 the AN/PVS-5 was the mainstay in US Army night vision for aviation. The AN/PVS-5C was not approved for flight because of its high-light cut off feature causing the goggle to shut off in bright ...

  3. AN/PVS-7 - Wikipedia

    en.wikipedia.org/wiki/AN/PVS-7

    The AN/PVS-7 is a single tube biocular night vision device.Third-generation image intensifiers are able to be installed and are standard for military night vision. Most newer PVS-7 intensifier tubes are auto-gated to prevent image intensifier damage if exposed to intense light.

  4. Personal protective equipment - Wikipedia

    en.wikipedia.org/wiki/Personal_protective_equipment

    Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, electrical, heat, chemical, biohazards , and airborne particulate matter .

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  6. List of military electronics of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_military...

    This article lists American military electronic instruments/systems along with brief descriptions. This list specifically identifies electronic devices which are assigned designations according to the Joint Electronics Type Designation System, beginning with the AN/ prefix.

  7. Goggles - Wikipedia

    en.wikipedia.org/wiki/Goggles

    Double lens anti-fog ski goggles were invented and patented by Robert Earl "Bob" Smith. [3] [4] [5] Visible Light Transmission (VLT) or S value describes the percentage of light allowed through the lens. [6] Astronomy and meteorology: dark adaptor goggles are used before going outside at night, in order to help the eyes adapt to the dark.

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  9. Snow goggles - Wikipedia

    en.wikipedia.org/wiki/Snow_goggles

    The workpiece is carved to fit the wearer's face, and one or more narrow horizontal slits are carved through the front. [4] The goggles fit tightly against the face so that the only light entering is through the slits, and soot is sometimes applied to the inside to help cut down on glare.