and a data back-equipped camera (the F2 Data). The F2 series continued until 1980, by which time Nikon was the undisputed number one in the professional 35mm SLR market around the world (the F ...
The edges are excellent at f/1.8 and f/2, outstanding from f/2.8 to f/8 ... CA (Chromatic Aberration) is measured with any in-camera corrections switched off, as far as we can know anyway.