See also the full aperture series of this scene.
When I set out to make this example, I worried that the Canon 24-70mm f/2.8L zoom (as a zoom) would not be a fair fight against the Pentax-D FA 645 55mm F2.8 AL[IF] SDM AW. I need not have worried.
DFA 55/2.8 = Pentax-D FA 645 55mm F2.8 AL[IF] SDM AW
There are several goals in this comparison:
Article continues for subscribers...
diglloyd Advanced Photography includes hundreds of pages of exclusive coverage and high resolution, Retina-grade example pictures detailing Canon and Nikon DSLR bodies and their lenses, with in-depth analysis of sharpness and contrast, color, bokeh, vignetting, distortion, MTF, and flare. Also included is a wealth of in-context technique and workflow insight. Since 2006, diglloyd Advanced Photography is the authoritative review and on-line reference for discerning Canon and Nikon shooters. Subscriptions cost $ per year.