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March 27th, 2011, 03:33 AM
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#1 |
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Trustee
Join Date: Apr 2005
Posts: 1,269
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Is the difference between STD2 and STD3 just the blacks?
Is the difference between STD2 and STD3 gammas just the blacks?
For me STD2 seems to be cleaner than STD3. I know STD2 has deeper blacks and it may be the reason why it looks cleaner. But is that the only difference? As of lately I have been shooting all my green screen work using STD2 because of it being cleaner but I used to shoot green screen with STD3. So I'm just trying to figure if it was a smart decision in switching to STD2. Thanks. |
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March 28th, 2011, 09:31 PM
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#2 |
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Inner Circle
Join Date: Dec 2005
Location: Bracknell, Berkshire, UK
Posts: 4,957
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Re: Is the difference between STD2 and STD3 just the blacks?
If it works for you and looks cleaner then use it. STD 3 is the closest EX gamma to Rec-709, the standard gamma for HD video production so should give you the most natural looking images on a regular TV or monitor. As you have observed gamma 2 does compress blacks and mids somewhat compared to 3 and this is indeed why it looks cleaner.
__________________
Alister Chapman, Film-Maker/Stormchaser http://www.xdcam-user.com/alisters-blog/ My XDCAM site and blog. http://www.hurricane-rig.com |
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March 28th, 2011, 11:22 PM
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#3 |
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Trustee
Join Date: Apr 2005
Posts: 1,269
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Re: Is the difference between STD2 and STD3 just the blacks?
Thanks Alister. Do you think I am losing anything because of the compression of the blacks and mids even though I'm in a totally controlled environment, meaning a studio situation where I have full control of my lighting?
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March 30th, 2011, 02:37 AM
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#4 |
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Inner Circle
Join Date: Dec 2005
Location: Bracknell, Berkshire, UK
Posts: 4,957
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Re: Is the difference between STD2 and STD3 just the blacks?
You will be loosing some black detail. If you going to grade you would be better of using Standard 3.
__________________
Alister Chapman, Film-Maker/Stormchaser http://www.xdcam-user.com/alisters-blog/ My XDCAM site and blog. http://www.hurricane-rig.com |
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March 31st, 2011, 05:33 PM
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#5 |
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Trustee
Join Date: Apr 2005
Posts: 1,269
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Re: Is the difference between STD2 and STD3 just the blacks?
Yeah, I will definitely grade.
But I thought as long as I exposed the shadows properly, meaning not let them get clipped and go too black I would be fine? I did that mainly to avoid noise which is a big problem in green screen. As long as I expose the shadows "properly" would I really lose detail in the blacks? |
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March 31st, 2011, 10:10 PM
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#6 |
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Inner Circle
Join Date: Dec 2005
Location: Bracknell, Berkshire, UK
Posts: 4,957
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Re: Is the difference between STD2 and STD3 just the blacks?
By crushing or squashing the blacks into a smaller range you are using less data to record them, so any stretching in post will reveal banding and other compression artefacts sooner.
__________________
Alister Chapman, Film-Maker/Stormchaser http://www.xdcam-user.com/alisters-blog/ My XDCAM site and blog. http://www.hurricane-rig.com |
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April 1st, 2011, 02:27 AM
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#7 |
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Trustee
Join Date: Apr 2005
Posts: 1,269
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Re: Is the difference between STD2 and STD3 just the blacks?
Thanks.
I realize that. But as long as I light my shadows bright enough and do not need to lift them up in post (this is what you mean by stretching right?) I should be fine then? Just want to make sure we are on the same page and that I'm not missing anything. |
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April 1st, 2011, 08:43 AM
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#8 |
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Inner Circle
Join Date: Dec 2005
Location: Bracknell, Berkshire, UK
Posts: 4,957
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Re: Is the difference between STD2 and STD3 just the blacks?
Correct. Stretch/lift similar things. You don't seem to be missing anything at all.
If anyone finds my marbles, I'd be pleased to hear.
__________________
Alister Chapman, Film-Maker/Stormchaser http://www.xdcam-user.com/alisters-blog/ My XDCAM site and blog. http://www.hurricane-rig.com |
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