cine_like gamma better than V_cine_like ?

ulisses

ulisses

Well-known member
hello,

I was doing some tests and looks like V_cine_like gamma curve has more noise than cine_like gamma, am I wrong ?

I was shooting an afternoon city image (5600K, 8.0 and ND1) and I could see some noise in a tree and other dark objects...

Detail was -2, Vertical Deatil -1, Coring 0 and Chroma +2, Pedestal -1.

Thanks,
Ulisses
 
Thanks Barry, now talking about knee protection not working in cine_like gamma. If I want an overexposed area in the picture, like a window or a light spot, is that dangerous for the video signal or can I record it overexposed ?

Thanks again,
Ulisses
 
You can easily correct that in post if you have to, but I think cine_gamma does allow for 100+ IRE. I like to have the extra data, though, then use curves or color correction to bring it just below 100IRE then apply some diffusion to the whites. Gives the impression of even more dynamic range if there are really major blow outs.
 
There's nothing "dangerous" about it, as in harming the camera, but it does look uglier. Cine_Gamma gives you more power, and expects you to take more responsibility. It's best to avoid overexposed blowouts if possible. The knee in the other gammas gives you some rolloff before overexposure hits, which can make for a more pleasing visual transition.
 
Cine_like_V looks more vivid than cine_like, but in some tests I did cine_like looks more natural, maybe in an external shot with nice weather cine_like_V could be better.

Experiences ?

Thanks,
Ulisses
 
It all depends on what you are shooting. Cinelike is great for getting a nice flat image that can be corrected in post, however, if you know what you want your scene to look like, the other gamma settings and camera settings will allow you to get it, much like barry has done in his DVD. I find Cine-like V to be great when used with a very low master pedistal, you can even get a very convincing X-process look in camera with these settings. Why is this better than doining it post? Well, because DV is a very compressed format, with major color corrections like this it is best to get the look in camera, do tests and look at it on a production monitor, computer monitor or even several TVs. If you can get the look in camera, you will have a much more pleasing outcome.
 
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