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Completely random question about those new-fangled scoreboards

Discussion in 'Anything goes' started by deskslave, Dec 14, 2007.

  1. deskslave

    deskslave Active Member

    I believe they're LED, but don't shoot me if they're not. Generally they have red numbers, although sometimes yellow.

    Does anyone know why parts of the numbers disappear when they're shot through a lens? Seems like it happens with both still and video cameras.

    Here's an example of what I mean:

    No idea why I'm posting this here. It's just always confused me.
  2. Bad Guy Zero

    Bad Guy Zero Active Member

    They're trying to give photographers seizures.
  3. spup1122

    spup1122 Guest

    Could part of it be the same reason a line shows up on a computer screen when shot through a still or video camera?
  4. HandsomeHarley

    HandsomeHarley Well-Known Member

    Or why your TV has lines running through it when you videotape it?
  5. T2

    T2 Member

    I think that's it. Rather than glowing continuously like a light bulb, I believe that LEDs blink on and off very rapidly. If they happen to be off when the camera scans them, it won't see them. Then if they're on when the camera scans them for the next frame, it will see them.
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