Some fisheyes have low Minimum Shooting Distances, e.g., the Walimex/Samyang 7.5mm fisheye for Micro Four Thirds has one of d = 9 cmd=9 cm. So you can get quite close to your -preferablyyour—preferably organically shaped- subjectshaped—subject to get some really unusual, almost macro-like viewpoints. May be nice for creative fotographyphotography. I plan to get oneofone of these lenses.