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Pentax 645D

Comparison vs Canon 5D Mark II

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

Goals

There are several goals in this comparison:

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  • In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
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  • Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
f/2.8 crop used for this comparison


f/2.8 crop alternative

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