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  2. Half-frame camera - Wikipedia

    en.wikipedia.org/wiki/Half-frame_camera

    The 3:4 aspect ratio of half frame photos can easily be cropped to 4:5 in portrait orientation without a significant reduction in image quality producing an "Instagram ready" photo. This has been reinforced by Kodak's reintroduction of half frame cameras [9] through the Kodak Ektar branded H35 half frame camera.

  3. Ektar - Wikipedia

    en.wikipedia.org/wiki/Ektar

    Prior to its use on films, the Ektar name originally referred to Eastman Kodak's premium-priced lenses for professional use, which were introduced in 1936 and sold until the 1960s. In contrast to the branding from other lens-makers, Kodak emphasized that the name was a quality mark rather than referring to any particular optical formula. [3]

  4. List of 70 mm films - Wikipedia

    en.wikipedia.org/wiki/List_of_70_mm_films

    A special lens on a 70 mm projector added polarization and merged the two images on the screen. [1] A similar Soviet system known as Stereo 70 did not employ anamorphics, resulting in an aspect ratio of 1.37:1. [2] Stereospace 2000 (a 3D process) and Kodak-Disney 3D used dual 65 mm cameras operating at 30fps.

  5. Comparison of display technology - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_display...

    TV: Yes DLP front-projection Flat (limited only by brightness) TV or presentation Yes LCoS self-contained rear-projection Flat 110 [13] 279 TV: Yes LCoS front-projection Flat (limited only by brightness) TV or presentation Yes Laser self-contained rear projection Flat lenticular: 75 [14] 191 TV: Yes LED: Flat 279.92 [15] 711 Billboards, TV: Yes ...

  6. Rear-projection television - Wikipedia

    en.wikipedia.org/wiki/Rear-projection_television

    A projection television uses a projector to create a small image or video from a video signal and magnify this image onto a viewable screen. The projector uses a bright beam of light and a lens system to project the image to a much larger size. A front-projection television uses a projector that is separate from the screen and the projector is ...

  7. Comparison of CRT, LCD, plasma, and OLED displays - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_CRT,_LCD...

    Screen-door effects are more noticeable than LCD when up close, or on larger sizes. [53] New models are no longer produced. Colored sub-pixels may age at different rates, leading to a color shift, although some models will scan pixels to even out wear and prevent this shift. [54] Sensitive to UV light from direct sunlight.