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AV and Multimedia Related Thread, Half Viewing Angle in Technical; any one know if the projection screen have a 25 Degrees half viewing angle, so what's the full viewing angle? ...
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    Half Viewing Angle

    any one know if the projection screen have a 25 Degrees half viewing angle, so what's the full viewing angle? is it 50 degree total? or it's 25 degress total? I'm actually looking at Da-lite IDEA Screen.

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    I think it depends what your "standard" you're comparing it to is.

    From my understanding that's from the straight line, to the top (or bottom of the viewing). e.g. half above the line, or half below it etc.

    Most manufacturers states the whole angle, but some do half, so it's really dependant on what you're comparing it to I guess. (e.g. An expensive 40 degree, might really be 80, where a cheap 50 degree probably is a 50 degree)

    Steve

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    papalemon (2nd July 2013)

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    haha I'm not really sure of the standard. I do agree on the last sentence though....

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