>Luminous Landscape has a fascinating article on using ultrawides with DSLRs: http://www.luminous-landscape.com/reviews/imagealign.shtml<
this site has reviews on a lot of software that will remove barrel distortion as a side effect of preparing images for stitching into a panorama. http://www.panoguide.com/ most of the programs that allow you to specify a fisheye lens will calculate the correction based on the focal length of the lens. no hand selection of grid points or anything like that. Herb....
