Lighroom's new "manual" feature in the "Lens Correction" panel is similar to Photoshop's lens distortion filter, only better.
Since I do a fair amount of architectural photography using my Nikon 18-200 mm lens, with it's inherent distortion, and since I often have to tilt the camera up and down, introducing keystone distortions as well, I was always round tripping into Photshop to correct these effects. Not anymore. After enabling the appropriate profile correction for my lens (a blessing in LR 3) I switch to the "manual" setting to get rid of keystoning, and finally I "constrain the crop". Wow, everything is done right here in Lightroom. If I chose not to constrain the crop I can go into Photoshop and paint in missing edges with the clone tool. This is my old 4x5 view camera on steroids!
I can also purposely introduce fisheye or stretching by going a little crazy with these sliders, as done here on my friendly swan.
This new "manual" feature is a great addition in Lightroom 3, and a real timesaver.
Jan Armor
janthephotoman@gmail.com
8 Indian Trail North
Wakefield, RI 02879
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Posted via email from Jan Armor's Fine Art Photos