An alignment grid overlays the image. To the right are options for automatic corrections based
on lens profiles. In the Custom tab are manual controls for correcting distortion, chromatic
aberration, and perspective.
The Lens Correction dialog box includes auto-correction options. You’ll adjust one setting in the
Auto Correction tab and then customize the settings.
7. In the Correction area of the Auto Correction tab, make sure Auto Scale Image is selected,
and that Transparency is selected from the Edge menu.
8. Select the Custom tab.
9. In the Custom tab, drag the Remove Distortion slider to about +52.00 to remove the barrel
distortion in the image. Alternatively, you could select the Remove Distortion tool ( ) and
drag in the image preview area until the columns are straight. The adjustment causes the
image borders to bow inward. However, because you selected Auto Scale Image, the Lens
Correction filter automatically scales the image to adjust the borders.Tip