Sony A7S Slog2 noise

P

Polaroid22

Well-known member
Hey,

I really like the DR of Slog2, only problem I have with is the significant noise increase over a other picture profile. As I use a lot of vari ND's, i can manage with the native iso 3200.
Any tips on this? As denoising an entire project is not really possible.

So who uses slog2? So far the slog2 on the a7s isnt really that practical. Ive seen a lot of users choose cine4 over slog2. And I did soms tests, and cine4 is way less noisy. But however slog2 packs so much more DR. A real bummer if you ask me.

thanks!
 
try exposing 2 stops to the right with slog2. It helps to reduce noise without harming too much skintones
 
I only overexpose by one stop. You can do two for even cleaner shadows, but you start to risk getting ugly colors in skin reflections and things like that. And in any case one stop seems to be enough.
 
yes I tried overexposing too some extent, i really dont like overexposed/blownout highlights. And I am allways afraid I cannot fix them in post. So I try to find a midground by overexposing one stop. 2 stops seems risky in some conditions.
 
1.5 is my personal goal when shooting if only using the in camera meter. If you can get your hands on a monitor with false colors that'll really help. In that case just over expose your shadows only and pull them down. The noise in the rest of image feels good to me, so no need to pull those down and lose your latitude.
 
I'm using only the on-camera monitor and when I can see sun-lit windows in the background or a lamp starting to pop I dial it back a little. That usually ends up being around 1.7 stops over. Sometimes the problem is the windows look fine but my face looks like an over-ripe tomato. In that case, I'll go 3 stops over and to hell with the window.

I did some tests in a car interior a few months ago. I used a polarizer to help with the highlights but to get good skin tones I think I was probably 4 stops over. The outside world behind me was out of focus and blown out but the viewer is watching me. In post, if I turned the highlights all the way down, those strange colors Samuel mentions become very pronounced, so I left them up a little to blend them into the whites. If faced with the choice of perfect windows or good skin tones, I'll take the skin tones (and blown windows). It's a balancing act.

If your intent is broadcast quality, I'm not sure if blown highlights all over the place are acceptable. I see little bits all the time though in film.
 
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