Hi all,
I accidentally overexposed a shot by about 2 stops. When adjusted in ACR using the exposure slider, I can correct it OK. However, when using an exposure adjustment layer in PS, it gives me terrible resuilts. Please see attached images. Why? Similar issue although not as bad, if I open in PS with no ACR adjustment then use ACR filter from withi
n PS.
Adjusting exposure in ACR is using the linear raw camera data where "latent" data exists for remapping.
In Photoshop, you have already rendered and mapped the tonal values, there is nothing to work with except what is there in 8 or 16 bpc.
The exposure slider in Photoshop is for 32 bpc HDR images, again where "latent" usable data may exist.
Perhaps these PDF whitepapers will help:
https://www.adobe.com/digitalimag/pdfs/understanding_digitalrawcapture.pdf
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