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"Enable Profile Corrections" Seems to Increase Exposure

Mar 29, 2015
Lightroom Experience
Lightroom Version
Lightroom Version
LR Classic 9.0
Operating System
Windows 10
I took some pictures with my Sigma 10-20 lense on my Nikon D5300 for the first time in a long time. When I apply "Enable Profile Corrections" it seems to increase the exposure yet there no change in any of the sliders. I don't remember seeing this behavior before. The attached pictures don't show the difference a much as I see on my screen. Screen shots taken using Snipping Tool from the DEVELOP module screen.

I have the setup as DEFAULT. The make and model of lens is correct. The profile selected is "Adobe(SIGMA 10-20mm F4-5.6 EX DC HSM, NIKON CORPORATION).

The correction for the lens appears to be correct. It's the increase exposure I don't understand.

I've looked through the FAQ and Getting Started as well as quick search through the forum but didn't find anything explaining what I'm seeing.

Any ideas?



Feb 1, 2010
West Sussex, UK
Lightroom Experience
Lightroom Version
Enable Lens Profile Corrections will remove any lens vignetting, which with some lenses can give the effect of the exposure being increased.