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Thread: Shifting Background effect

  1. #1

    Default Shifting Background effect

    Hey everyone, I'm new to the forum, and I have a question.

    I saw an effect in a movie, and I'm really interested in how it was done.
    I don't even know how to describe it, so I'll tell you what I saw.

    It was a ski movie, and there was a shot of a jump with the mountains in the background, and right as the skier went off the jump, it freeze framed, except it looked like the the background (mountains) and foreground (skier) were moving laterally in different directions very slowly, as if the camera angle were changing.

    does anyone know what this is called, and how it is done?
    Thanks,
    Adam

  2. #2
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    Default

    Is this a Matrix type bullet time effect we're talking about here?

  3. #3

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    mmmmmm...

    not really, i guess the best way to describe it would be, that it looks like they took a picture, cut the person out, positioned the cut-out a few inches closer to the lense, and then slowly moved the background of the picture, while keeping the cut-out in place.

    if that makes any sense at all.

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    Default

    Looks to me like you just answered your own question...

  5. #5

    Default

    ya, turns out it's called a dolly zoom effect.

  6. #6
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    I tht it might be that - that is not done in post. Personally I hate the way it is being used everywhere and I find it nauseating when used in long shots.

    To create the effect you track away from the subject and zoom in keeping the subject the same size - this has the effect of decreasing the percieved depth of the image. Or the opposite if you do the opposite.

    It is a great way of indicating fear / shock / horror / tension but i think it looks totally crap on shots of skiers and the like.

    Alfred Hitchcock is credited with making it part of our retinue of really annoying daft shots that producers love and camera people hate.

    I think it is at it's best when subtely done.

    Dolly zoom - Wikipedia, the free encyclopedia

  7. #7

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    well, i disagree, it looked sick to say the least.

  8. #8
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    Ha - it makes me FEEL sick....

  9. #9
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    This doesn't sound like a 'Dolly zoom' at all to me, that needs continuous shooting movement, if the subject was frozen then it sounds more like a variation on virtual 3D, but with just the background shifting.

    VideoCopilot.net Video Tutorials & Post Production

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