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  2. Black Widow (paint mix) - Wikipedia

    en.wikipedia.org/wiki/Black_Widow_(paint_mix)

    Black Widow (also known as a Black Widow Ultra in Europe) is a non-commercial open source project to design a paint mix for the base of a DIY projection screen.Anonymous DIYers responsible for popularizing Black Widow in the DIY community include Mechman Alternators (US), Wbassett (US) and Custard10 (EU). [1]

  3. Ultra Panavision 70 - Wikipedia

    en.wikipedia.org/wiki/Ultra_Panavision_70

    Metro-Goldwyn-Mayer (MGM) approached Panavision founder Robert Gottschalk in the late 1950s to create a large-format widescreen system capable of filling the extremely wide screens of Cinerama theaters while using a single projector, and would also be capable of producing high-quality standard 70 mm and 35 mm CinemaScope prints, which Cinerama's three-strip process did not allow for.

  4. Cinerama - Wikipedia

    en.wikipedia.org/wiki/Cinerama

    Original Cinerama screen in the Bellevue Cinerama, Amsterdam (1965–2005) 17-meter curved screen removed in 1978 for 15-meter normal screen. [1]Cinerama is a widescreen process that originally projected images simultaneously from three synchronized 35mm projectors onto a huge, deeply curved screen, subtending 146-degrees of arc.

  5. Projector - Wikipedia

    en.wikipedia.org/wiki/Projector

    A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers. A virtual retinal display, or retinal ...

  6. Projection screen - Wikipedia

    en.wikipedia.org/wiki/Projection_screen

    Switchable projection screens can be switched between opaque and clear. In the opaque state, projected image on the screen can be viewed from both sides. It is very good for advertising on store windows. Inflatable movie screen. Mobile screens usually use either a pull-down screen on a free stand, or pull up from a weighted base.

  7. IMAX - Wikipedia

    en.wikipedia.org/wiki/IMAX

    IMAX is a proprietary system of high-resolution cameras, film formats, film projectors, and theaters known for having very large screens with a tall aspect ratio (approximately either 1.43:1 or 1.90:1) and steep stadium seating, with the 1.43:1 ratio format being available only in few selected locations.

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