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lotsa grain...no gain

Cow Forums : Panasonic HVX - HPX (P2)
lotsa grain...no gain
by ian karr (ian Karr) on Dec 20, 2007 at 2:31:34 am

Hi,

Can't really figure out why, but my HVX 200 seems very grainy...even without any added gain. Especially in darker areas. Is this a "feature" of the camera? Anyone else notice this?

I checked all the settings and everything looks normal.

Ian



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Re: lotsa grain...no gain
by Vincent Becquiot on Dec 20, 2007 at 2:59:07 am

Search for HVX and grain. Very common in 1/3 chip cameras. You'll have to use lights.

Vince

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Re: lotsa grain...no gain
by iampeterking on Dec 22, 2007 at 6:12:49 pm

This is certainly not the problem. Many 1/3 inch chip cameras can handle blacks very well. It is not underexposed footage, its any black in the image, for example a black shirt, or car grille, has a lot of noise with the HVX. I am also suffering with this problem. The XL2 doesn't do this and it is a few years old. It's very annoying and crushing the blacks shouldn't be the answer.

Our setup included the movietube so we had a 1.2k HMI and a diva to combat the awful 5 stops of light loss you actually get with the tube, never using it again. Awful combo

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Re: lotsa grain...no gain
by Vincent Becquiot on Dec 22, 2007 at 6:35:21 pm

I would love to see a frame grab. In short, yes, the HVX will show slightly more noise than the XL1, it should be nothing significant in my experience.

Vince.

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Re: lotsa grain...no gain
by Peter King on Dec 30, 2007 at 12:42:19 am

Sorry for the delay been very busy over xmas, can I email you a still? I am new to the creative cow forums is there a way I can upload it here?

Cheers,

Pete

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Re: lotsa grain...no gain
by Vincent Becquiot on Dec 30, 2007 at 12:59:02 am

Sure, you can email to: Vince (at) kaptis.com

I'll post it for you as well.

Vince

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Re: lotsa grain...no gain
by Matt Gottshalk on Dec 20, 2007 at 5:10:48 pm

Also be sure to use the BPRESS Gamma setting for the least noise.

McGee Digital Media Inc.
24P HD Production and Post

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