How to remove distortion on a Fisheye image
I recently bought the Canon 15mm f2.8 Fisheye for my new 5D Mark II. It's extremely wide angle and gives the characteristic fisheye distortion.
Here's a gallery of images shot with that lens:
In some images you want the fisheye distortion, but in other images you might want to remove it.
And there are several applications that can help you with that. Regardless of what fisheye you're using.
The most common way to remove the distortion is to squeeze the image in the middle. Something like what PTlens will do for you. In addition you can adjust perspective, rotation and a couple of other ...