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  2. 999: Nine Hours, Nine Persons, Nine Doors - Wikipedia

    en.wikipedia.org/wiki/999:_Nine_Hours,_Nine...

    999: Nine Hours, Nine Persons, Nine Doors [b] is a visual novel and adventure video game developed by Chunsoft. It is the first installment in the Zero Escape series, and was released in Japan in December 2009 and in North America in November 2010 for the Nintendo DS. The story follows Junpei, a college student who is abducted along with eight ...

  3. Nyctalopia - Wikipedia

    en.wikipedia.org/wiki/Nyctalopia

    Nyctalopia (/ ˌ n ɪ k t ə ˈ l oʊ p i ə /; from Ancient Greek νύκτ-(núkt-) ' night ' ἀλαός (alaós) ' blind, invisible ' and ὄψ (óps) ' eye '), [1] also called night blindness, is a condition making it difficult or impossible to see in relatively low light. It is a symptom of several eye diseases.

  4. Night vision - Wikipedia

    en.wikipedia.org/wiki/Night_vision

    A specific type of NVD, the night vision goggle (NVG) is a night vision device with dual eyepieces. The device can utilize either one intensifier tube with the same image sent to both eyes, or a separate image intensifier tube for each eye. Night vision goggles combined with magnification lenses constitutes night vision binoculars.

  5. Night-vision device - Wikipedia

    en.wikipedia.org/wiki/Night-vision_device

    The effect on the natural night vision of the eye is evident A standard telescopic sight augmented with a night-vision device in front on the M110. Note that in addition to the image intensifier, the NVD gathers much more light by its much larger aperture A 1PN51-2 night-vision reticle with markings for range estimation First-person view ...

  6. File:Night vision.ogv - Wikipedia

    en.wikipedia.org/wiki/File:Night_vision.ogv

    Night_vision.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 22 min 29 s, 400 × 300 pixels, 578 kbps overall, file size: 93.01 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  7. Orthokeratology - Wikipedia

    en.wikipedia.org/wiki/Orthokeratology

    Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...

  8. Zielgerät 1229 - Wikipedia

    en.wikipedia.org/wiki/Zielgerät_1229

    The ZG 1229 Vampir weighed 2.26 kilograms (5.0 lb) and was fitted with lugs on the StG 44 at C.G. Haenel in Suhl, the weapons production facility.As well as the sight and infrared spotlight, there was a wooden-cased battery for the light weighing 13.59 kilograms (30.0 lb), and a second battery fitted inside a gas mask container to power the image converter.

  9. Day for night - Wikipedia

    en.wikipedia.org/wiki/Day_for_night

    When shooting day for night, the scene is typically underexposed in-camera or darkened during post-production, with a blue tint added. Additional effects are often used to heighten the impression of night. As the light sensitivity of film and video cameras has improved, shooting day for night has become less common in recent years. [2]