What's up everyone? Today's topic is the Gamma Display Assist Function found on many of Sony's cameras. I'll break down what it's used for and how to enable it on a Sony a7S II and a Sony a6500.
Lots of Sony cameras come with the ability to shoot in Log formats, such as S-Log2 and S-Log3 - and if you're unsure about what a Log format is, and whether or not you should be shooting using one, I made a video explaining all of that, so check it out if you like.
If you have seen my video on S-Log3, you know that I’m a fan of it, and a fan of Log formats in general. However, shooting in a Log format can be tricky. The resulting image is always way undersaturated and low contrast, almost to the point of appearing monochromatic. Of course this is gives us great latitude in post-production, but shooting in it can make judging your exposure and your white balance difficult.
As a remedy, Sony has built in a very useful function into many of their cameras called Gamma Display Assist. What this does is translate your image from a Log color space into a more “normal” or linear color space such as Rec.709 when you look at it in the monitor or theviewfinder.
Now, you’re still shooting in Log, but what you’re seeing on the screen is a fairly accurate representation of what your image will look like after you’ve color graded it. Saturation looks normal, skin tones look normal, etc. This will make it much easier to judge your exposure and your white balance.
Another Pro Tip: If you’re like me, and you shoot in a Log format a lot, it’s a good idea to take advantage of the high level of customization Sony cameras offer and set one of your Custom buttons or your Function menu to toggle the Gamma Display Assist function on and off.
That's it guys! If you have any questions or comments, leave 'em down below!