Does Lightroom account for sensor size when applying lens correction profiles?
Asked 9/29/2014
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If I use a lens correction profile in Lightroom for a lens like a Tamron 24-70 on a crop-sensor camera, does Lightroom account for the camera’s sensor size, or does it apply the full-frame correction across the whole image?
I’m asking because I applied a profile to an image that didn’t appear to have visible vignetting, and Lightroom darkened the edges. I’m wondering whether using a profile intended for a different sensor/lens combination could over-correct distortion or vignetting on a DX/crop image and make it worse.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
11y ago
2 Answers
2
Yes, Lightroom does take account of the sensor size. It has a series of correction profiles, each one designed for a combination of sensor and lens (and, in the case of zoom lenses, focal length).
Profiles for many common lens-sensor combinations are developed by Adobe and come with Lightroom. For uncommon lens-sensor combinations, the Adobe Lens Profile Downloader (http://www.adobe.com/support/downloads/detail.jsp?ftpID=5492) gives access to profiles created by photographers and shared.
Originally by user2604. Source · Licensed CC BY-SA 4.0
user2604
11y ago
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Generated from our catalog & community — verify before relying on it.
Yes. Lightroom lens corrections are based on profiles matched to the camera and lens combination, and for zooms also the focal length. That means sensor size is taken into account rather than blindly applying a full-frame correction to every image.
If you use the correct profile, Lightroom should compensate for the behavior of that lens on that specific camera format. If you apply the wrong profile, over-correction is possible, including distortion or vignetting adjustments that don’t suit your image.
Lightroom includes many Adobe-made profiles for common camera/lens combinations, and additional community-made profiles have also been available through Adobe’s profile tools. So the key is to make sure the selected profile matches your actual camera and lens, not just the lens name alone.
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