Use composition options to reduce distortion
in a Photomerge panorama composition.
Select composition options:
Cylindrical Mapping
Reduces the bow tie distortion that can occur when you
apply perspective correction. You must select the Perspective option
in order to apply cylindrical mapping.
Adding cylindrical mapping
A.
Original
B.
Cylindrical
mapping applied
Click Preview.
The results of applying these options are visible
only in preview mode and in the final, generated image.