Superb images from a superb little lens! When I was building my Nikon lens list, f2 was the watchword, and I purchased the 24, 35 and 50mm lenses with f2 but somehow went to f2.8 for the 28mm, and spent some time regretting my decision, but finally came to realize that the little f2.8 has no need to make any apologies for its smaller aperture, and may be even sharper than its bigger brother. My Df doesn't care what aperture lens it is accommodating, and I also have a comparatively tiny f3.5 28mm always in danger of being overlooked.