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-   -   Is the difference between STD2 and STD3 just the blacks? (https://www.dvinfo.net/forum/sony-xdcam-ex-pro-handhelds/493663-difference-between-std2-std3-just-blacks.html)

Michael Maier March 27th, 2011 03:33 AM

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.

Alister Chapman March 28th, 2011 09:31 PM

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.

Michael Maier March 28th, 2011 11:22 PM

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?

Alister Chapman March 30th, 2011 02:37 AM

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.

Michael Maier March 31st, 2011 05:33 PM

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?

Alister Chapman March 31st, 2011 10:10 PM

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.

Michael Maier April 1st, 2011 02:27 AM

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.

Alister Chapman April 1st, 2011 08:43 AM

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.


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