Equivalent of "opening 1 or more stop" in post processing?
In photoshop if you want to approximate the effect of increasing exposure by
1 or more stops, do you adjust the contrast alone, or gamma as well? If you
have to adjust gamma, then what is the formula?
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Relevant Pages
- Re: Nikon D200 and Canon 350D/Rebel XT Noise Tests
... Nothing on [the camera] page does anything to your loaded NEFs except the ... Similar to Photoshop's Image> Adjust> Equalize, which I believe sort of flattens images by making a flat histogram. ... for some reason you want to see the checkered, greyscale RAW with gamma, ... of the CFA; all it knows is the CFA pattern of the camera you select. ...
(rec.photo.digital.slr-systems) - Re: Gamma & linearity - how to use them
... Those settings amount to the same as the often mentioned "gamma 2.2" ... Linearity also appears to change saturation to some ... If you want to use custom profiles, ... Then adjust "exposure" to just below where highlights ...
(rec.photo.digital) - Re: Equivalent of "opening 1 or more stop" in post processing?
... If you have to adjust gamma, ... It might be more complicated given that the linear raw data is already gamma adjusted in which case you'd need access to the raw data or a rather more complicated formula. ... The levels dialogue box might have a more direct way, I'm not as familiar with using levels. ...
(rec.photo.digital) - Re: brightness vs gamma
... when brightening my photos which were not taken with flash, ... As I understand the terms Brightness is the adjustment of how intense ... Gamma is more a measure ... reds brighter than greens you would adjust more to the red end of the ...
(rec.photo.digital) - Re: prevent comb in historgram?
... It would have been better to adjust the gamma or curve at the scanning ... So I would have to scan each photo individually to adjust ... someday I have to retouch a photo stealthily. ...
(comp.graphics.apps.photoshop) |
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