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EX1R : shooting rotating objects on turntable

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Alain Van Haecke
EX1R : shooting rotating objects on turntable
on Dec 24, 2010 at 12:26:20 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 1920x1080 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, 1280x720).
I like progressive method, but is there more appropriate to use Interlaced mode ?
Many thanks guys, and HAVE A HAPPY HOLIDAYS.
Alain


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Rafael Amador
Re: EX1R : shooting rotating objects on turntable
on Dec 24, 2010 at 4:52:00 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


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Bo Skelmose
Re: EX1R : shooting rotating objects on turntable
on Dec 25, 2010 at 12:34:53 pm

Yes - use of 1280x720 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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