I'm working on a file in "Multi-Channel" mode. I can make adjustments to the channels to a limited extent. But there's no "adjustment layer" option. Let's say I select a channel and, say, go adjustments>levels, and slide the black-point slider to the right. Then I save and close the file. If I reopen the file and look at level adjustments for the channel I just adjusted, the black point slider is, again, all the way to the left, at the darkest point of the new value range I established in my previous adjustment. My question is, am I right that there is no way, at that point, to recover the previous value range for that channel, before I made the levels adjustment and saved/closed?
I guess the answer would be to save a copy before making the adjustment. Just wondering if I'm missing anything in terms of being able to recover the value range as it was before any adjustments.
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