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  2. Binoculars - Wikipedia

    en.wikipedia.org/wiki/Binoculars

    8×42 roof prism binoculars with rainguard and opened tethered lens caps. Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects.

  3. Lenticular printing - Wikipedia

    en.wikipedia.org/wiki/Lenticular_printing

    Close-up of the surface of a lenticular print. Lenticular printing is a technology in which lenticular lenses (a technology also used for 3D displays) are used to produce printed images with an illusion of depth, or the ability to change or move as they are viewed from different angles.

  4. Dispersive prism - Wikipedia

    en.wikipedia.org/wiki/Dispersive_prism

    Photograph of a triangular prism, dispersing light Lamps as seen through a prism. In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow). Different wavelengths (colors) of light will be deflected by the prism at different angles. [1]

  5. History of photographic lens design - Wikipedia

    en.wikipedia.org/wiki/History_of_photographic...

    The Protar is considered the first "modern" lens, because it had an asymmetric formula allowed by the new design freedom opened up by newly available barium oxide, crown optical glasses. [2]: 168 These glasses were invented by Ernst Abbe, a physicist, and Otto Schott, a chemist, (both Germany) in 1884, working for Carl Zeiss' Jena Glass Works ...

  6. Hypertropia - Wikipedia

    en.wikipedia.org/wiki/Hypertropia

    diplopia or double vision - more seen in adults (maturity / plasticity of neural pathways) and suppression mechanisms of the brain in sorting out the images from the two eyes. cyclotropia, a cyclotorsional deviation of the eyes (rotation around the visual axis), particularly when the root cause is an oblique muscle paresis causing the hypertropia.

  7. Google Glass - Wikipedia

    en.wikipedia.org/wiki/Google_Glass

    Sliding backward shows current events, such as weather, and sliding forward shows past events, such as phone calls, photos, and circle updates. Camera: Google Glass has the ability to take 5 MP photos and record 720p HD video. [35] Glass Enterprise Edition 2 has an improved 8MP 80° FOV camera. [36]

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