heya,
i had one or two shots in the past where i missed this feature, too
(have an 8mm peleng fisheye). in my case it was mainly about
straightening horizon lines or similar. i ended up doing these in
hugin and forgot about it. other than that i think this is a very
reasonable feature request.
I recently started using very shot fisheye lenses (12-14mm) for event
photography. The idea is that you will never catch the right
angle/composition/moment all together at a wedding/party etc.
Afterwards, you undistort the images and crop to the region with the
best composition, to obtain a