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Activity Forums Sony Cameras EX1R : shooting rotating objects on turntable

  • EX1R : shooting rotating objects on turntable

    Posted by Alain Van haecke on December 24, 2010 at 12:26 am

    Hi, I am shooting rotating objects placed on a pottery turntable (manually-driven, not motor-driven, at a low speed of 1 rotation / 10 seconds) with the EX1R fixed to the tripod. Lighting with 3x 800W higly diffused Halogen “mandarines” lamps.
    My settings : HQ 1920×1080 25p, shutter on at 1/60, f-stop at 5.6, manual focus. The turntable is very fluid (eyes looking).
    But I still have some very little “stuttering” or “juddering” – “jerkiness” : is it the fact of the Progressive method ?
    As I would like to have a very-very fluid movement of the turning object, is there any settings to put on the camcorder / or is there a way to compress/export it in a web-readable format ? (I export it with PPRO CS5 in H.264, VBR 4-6, 1280×720).
    I like progressive method, but is there more appropriate to use Interlaced mode ?
    Many thanks guys, and HAVE A HAPPY HOLIDAYS.
    Alain

    Bo Skelmose replied 15 years, 4 months ago 3 Members · 2 Replies
  • 2 Replies
  • Rafael Amador

    December 24, 2010 at 4:52 pm

    Hi Alan,
    [Alain Van Haecke] shutter on at 1/60.”
    p25 is choppy by nature, and probably your Shutter Speed is increasing it.
    You may try 1/50 or 1/25.
    The solution for the choppiness is shooting 1080i50 or 720p50.
    And HAVE A HAPPY HOLIDAYS you too.
    rafael

    http://www.nagavideo.com

  • Bo Skelmose

    December 25, 2010 at 12:34 pm

    Yes – use of 1280×720 50P would help – maybe slowdown the rotation of the turnable more and speed op the video in post – if needed.
    You could also use a plugin like twixtor to remove jerkiness.

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