kidzrevil Posted October 28, 2017 Share Posted October 28, 2017 I've heard a lot about how awful the Sony Log profiles are and how we should stay away from them. Well after testing them extensively I conclude that it's not the profile that's inherently bad its how people are grading them especially when they use the in camera meter to set exposure and not the zebras. LUT's like visioncolor impulz are very aggressive on the blue channel and exaggerate noise. I find Koji advance and Filmconvert to work best with SLOG3. The official Sony LUT also gives you a nice neutral look with desaturated highlights. I found that If I use the expose all the way to the right exposing the brightest object to fall on 94 ire I do not get banding or color noise. 95 ire with slog3 correlates with the 14th stop of the camera so you are technically not losing data if you expose for the brightest stop. What that does is dedicates the rest of the sensor dynamic range to capturing all the shadow detail below the 14th stop (max brightness) which is incredible. When you underexpose and brighten in post is where all the problems start so my rule is shoot 2 to 3 stops over placing the brightest object you want to keep in post at or directly underneath the clipping point. Please keep in mind everytime you go up a stop you rate the ISO lower so 3 stops over on the a6300 and a6500 is 100iso. When you lower your exposure in post the image really pops and all the garbage data gets thrown away Quote Link to comment Share on other sites More sharing options...
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