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  2. List of Panasonic video projectors - Wikipedia

    en.wikipedia.org/wiki/List_of_Panasonic_video...

    Lumens (ANSI) Contrast Light Source Display Method Inputs Notes PT-AE100 February 2002 858x484 16:9 200 in (508cm) 700 500:1 120W UHM Bulb 3LCD: Composite, S-Video, Component PT-AE200 February 2003 858x484 16:9 200 in (508cm) 700 700:1 120W UHM Bulb 3LCD: Composite, S-Video, Component, SCART PT-AE300 January 2003 960x540 16:9 200 in (508cm) 800 ...

  3. Luminous efficacy - Wikipedia

    en.wikipedia.org/wiki/Luminous_efficacy

    Luminous efficacy can be normalized by the maximum possible luminous efficacy to a dimensionless quantity called luminous efficiency.The distinction between efficacy and efficiency is not always carefully maintained in published sources, so it is not uncommon to see "efficiencies" expressed in lumens per watt, or "efficacies" expressed as a percentage.

  4. List of CRT video projectors - Wikipedia

    en.wikipedia.org/wiki/List_of_CRT_video_projectors

    Two projectors mounted in a special pedestal allowing twice the brightness. One projector can converge on green. ... peak white 300 lumens, all white:260 lumens: VPH ...

  5. Orders of magnitude (illuminance) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    To help compare different orders of magnitude, the following list describes various source in lux, which is a lumen per square metre. Factor Multiple Value Item 0 ...

  6. CRT projector - Wikipedia

    en.wikipedia.org/wiki/CRT_projector

    A Zenith 1200 CRT Projector based home theater. Visible extending from the ceiling are three lenses, one each for red, green and blue Black and white CRT projector. A CRT projector is a video projector that uses a small, high-brightness cathode-ray tube (CRT) as the image generating element. The image is then focused and enlarged onto a screen ...

  7. LCD projector - Wikipedia

    en.wikipedia.org/wiki/LCD_projector

    Liesegang LCD Projector. An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern equivalent of the slide projector or overhead projector.

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