Does white balance adjustment in ACR replicate what the camera settings would have been?

Question

The title could be cleaner, but I ran out of allowed characeters. 😊

Not sure if my camera make and model makes a difference to the answer, but I shoot in RAW with a Nikon P1000 which produces NRW files. So, if I adjust the white balance of a photo in Adove Camera RAW, is that file in the same state as if the camera had shot the pic with the adjusted white balance?

D Fosse · Answer

With ACR set to white balance "As Shot", the visual appearance of white balance will be equivalent.

The numbers won't match! They will be in the same region, but you can easily get up to a few 100K discrepancy with the same visually neutral white balance.

ACR and the Nikon camera firmware are two different raw processing engines, and they won't work the same way. To produce roughly the same visual result, very different algorithms will be used, and different input values to produce the same result.

With the "As Shot" setting, ACR prioritizes visual appearance over numbers.

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