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Canon XH Series HDV Camcorders
Canon XH G1S / G1 (with SDI), Canon XH A1S / A1 (without SDI).


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Old May 7th, 2008, 01:27 AM   #1
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Acceptable Gain Levels

So, I have been afraid to use anything above 3db. What are some general guidelines for using gain? I always have auto gain off, but sometimes 3db simply wont do it in low light. How far can I push the gain (6db?, 12db?) before getting noticeable grain?
Steve Lewis is offline   Reply With Quote
Old May 7th, 2008, 01:51 AM   #2
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Hi Steve..............

Bottom line is - it's your call!

Try shooting at the various gain lavels in the varying light situations and keep a track of what you're shooting and then YOU decide what's acceptable.

What's acceptable to a wildlife videographer going for the "wow" factor isn't the same as a music videographer going for the "punk" look.

Go on, you can't break the camera, go shoot 10 hours of video at every gain level available and see what YOU find acceptable.


CS
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Old May 7th, 2008, 01:39 PM   #3
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the grain is more visible in the shadows. So bear that in mind when you test.

Output in HD - I try to stay 6 or below - outputting in SD 12 or below
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Old May 7th, 2008, 02:31 PM   #4
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Steve,
depending on the venue, I can run all day at 12db of gain. There is grain, but there is also a well exposed fairly detailed image. You have to decide for yourself what is acceptable. My thougt is at least for weddings, if they have it dark, the image will be dark, period. I have recently found that shooting at 1/30 shutter speed really improves the low light capability, but I'm still running 12db of gain the whole time. And yes it is grainy but I find it acceptable vs. no picture or whatever. YMMV
Bill
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