Throw distance .. whats going on?

Discussion in 'Displays' started by manxral, Aug 29, 2006.

  1. manxral

    manxral Auditioning

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    say i have a question..

    how come the optoma dv10 can project a 100inch image from just 11ft? [​IMG]

    other projectors can only get about 70-72 inch from the same distance.
     
  2. Jim Mcc

    Jim Mcc Producer

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    Because all projectors have a different throw range.
     
  3. manxral

    manxral Auditioning

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    i know that jim. but why? i mean if a throw range is factor with almost all HT owners , why create a projector that is less flexibale in small rooms?
     
  4. Gregg Loewen

    Gregg Loewen Video Standards Instructor, THX Ltd.
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    the throw range has to do with the viewing angle (or projection angle) of the lense. Think of it as a wide angle lense vs a telephoto lense. the wider the lense (for a short throw) the more distortion is added to the image. Or being said another way, it is easier to have less distortion with a long throw (telephoto) lense.
     
  5. manxral

    manxral Auditioning

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    Thanks Gregg .. cleared on this issue..[​IMG]
     
  6. TicoTVA

    TicoTVA Stunt Coordinator

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    You 'll also notice that LCDs have better throw than DLPs in general...
     
  7. Jim Mcc

    Jim Mcc Producer

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    Tico, what do you mean by "better throw"?
     

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