Adding more light if possible, while under-exposing is counterproductive. Lower exposure reduces DR and increases noise. Your sensor has a max DR optimal exposure will provide the most DR it can provide. We can go into color gamut and gamma encoding, but it isn't part of this set of issues. I don't understand: " preserve shadows when developing from Raw persona to Photo persona"Ī wider gamut color space in a linear or gamma corrected state will have no bearing here. I got a couple of new ideas out of this thread and improved my masking skills this week was quite a journey. Although I couldn't fix this image, I will be looking at how to calibrate the exposure meter on my camera, and reading all of the research material you provided. Vinyl records are easier to restore than audio cassettes. If there isn't enough data, the low frequencies can't be boosted enough or the high frequencies sharpened enough that background noise doesn't ruin the result. This is a similar problem to audio file editing. Overcompensating with extreme adjustments just makes for unacceptable noise. Too much light and the shadows are lost, too little light and the highlights blow out. Another way to say it is that there isn't enough data in the lower light range to work with and get an acceptable result. I must agree with everyone who said there is too much contrast to salvage this image. My "best" result was adding a Levels layer, setting the white level at 52 (0-100), and carefully masking the right edge of the drapes to set off the area with the china cabinet. I tried working in the "Wide Gamut RGB Liner" color space, which I expected would give me a wider tonal range to work with (it's supposed to be 32-bit?). The result was somewhere in-between.Ī variant of this was deleting the dark areas on the light version and trying an HDR merge, but with that image having mostly white, that wasn't a great idea. One other option was saving an overexposed version as a JPEG, then trying an HDR merge with the original. I couldn't find a setting to preserve shadows when developing from Raw persona to Photo persona, but that doesn't mean it isn't there. using separate layers for dodging, burning and sponging.using a spotlight (maybe specific to Affinity).using curves (both on a single layer, or alternately one light layer and one dark layer).I've spent the last week exploring of the interesting suggestions that all of you have offered: duplicating the base layer, then masking further adjustments:
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