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Panasonic LUMIX S / G / GF / GH / GX Series
4K and AVCHD on a Full Frame or Micro Four Thirds system with interchangeable lenses.

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Old February 28th, 2014, 08:40 AM   #1
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Join Date: Feb 2014
Location: England
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GH3 Shutter Speeds!

I have read on various forums when shooting 50P you should set the shutter to 1/125th and I have never been able to comprehend why although the pictures do look right until...

So I set the shutter to 1/50th and shoot 25P all looks good I then shoot 50P and it doesn't on playback so I assume and I have read that you need to shoot at 1/125th and it looks right on the camera but on transferring to the AVID I transcode to DNXHD for a 1080i project and the footage now looks over shuttered, so shooting at 1/50th looks right once the files have been transcoded, this is really strange but I can't work out why this would be.

I assume the same is for 30P and 60P but it would be interesting to have this confirmed.
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Old February 28th, 2014, 01:33 PM   #2
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Join Date: Mar 2011
Location: Walnut Creek, CA, USA
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Re: GH3 Shutter Speeds!

It's my understanding that the shutter should be 180 degrees to the playback frame rate. If I shoot 60p I playback at 30 fps basically dropping alternate frames so I use a 1/60 shutter. If the 60p is to be used for slomo and conformed to 30 fps then shoot 1/120.


Last edited by Fran Guidry; February 28th, 2014 at 03:19 PM.
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