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Screenplay 5700 projector help

Discussion in 'Projectors, Screens & Video Processors' started by Powermap, Sep 4, 2005.

  1. Powermap

    Powermap
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    Guys

    I am trying to work out the dimensions for a screen setup.
    If i buy a screen that is 203cm width * 114 wide

    My projector must be at approx 4.5mts from screen

    As for the Image offset has this always got to be 25% ?

    If so the bottom of the image will be 142.5 cm below the centre of the lens.
    My lens centre will be 16.88cm from ceiling so in total the bottom of my picture will be 159.38 cm from ceiling ???

    This was lower than i hoped for, are these calculations correct ?

    Hope someone can help

    Ian
     

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