I'd really like to understand how do you work with Hlg and What do you think it's better to work on. I noticed that there are some color catsts between one conversion and another but tey're all small and it's just a personal preference. If you work thise result yourself you'll get the same final image. Every conversion way bring a different lut. As you can see int he examples that I provided at the bottom of the page. I don't know, I think they're all starting points. I built my lut on a righ exposed scen, not ETTR. I can say that I've got a good result and this could be another starter point not bad. I can assure you I build the lut myself, not copying the leeming's one. Color Checker / Personal lut I was trying to figure out how paul leeming built his lut so I did some tests with a color checker, matching all the color, trying to understand what color casts has the sony a 6400. I noticed also a magenta cast on the shadows and on the edges of the black items. I found colors more bright / vivid and these could be a good or bad result, depedens on the preferences. If leeming lut gives dark result, aces gives too satured / bright highlight. Color Trasform is a resolve effects that has the best results straight out beingg applied. By the way: you have to dive in further correction and it's a lut so you must start from a solid, well expose, well white balanced, base. I found that0s harder to work on flatter scenes with less contrast. Leeming suggest this because decreasing the shadows in post will bring the noise floor down and get less noise. If you've not got light exposing 2 - 2 1/3 stops over can be tricky. This can be hard to do when you have scenes with the sky and a high dynamic range. It's hard to expose because you have to ETTR. I managed to do some test and my conclusion is: depends. I alway tried all the ways despite the facts that I've neve understood what's right and what wrong. ![]() These are the ways that I know to convert hlg to rec709. Leeming Lut, color trasform, aces or color checker? I could get a good result playing with rgb curves but I know that it could be a struggle to be applied to multiple clips, on larger projects. I shot with a6400, I always noticed that hlg has a green cast that's not even so it's hard to work on. Hlg is a logarithmic curve so if we try to bring Hlg footage to life playing with curves, saturation, highlights and shadows we'll get a good result depite the fact that we aren't able to extend a logarithmic curve in the right way, we can get a close result but it will not be 100% right. ![]() The logarithmic curve and the struggle to invert it: I wanted to find the better and the fastest way to convert it. I struggled for lots time trying to figure out how to properly convert hlg to rec 709.
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