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Originally Posted by OsmosisStudios
Finally a concise and detailed explanation of MTF charts. I knew that the higher and flatter, the better, but that's about it.
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The Luminous Landscape article I linked to taught me everything I know on MTF charts.
Nikon does their MTFs a bit differently. They
only show wide-open performance (no f/8 lines), and they use red for contrast and blue for resolution instead of thick and thin.
AF DC-Nikkor 135mm f/2D
(which is pretty comparable to the 135L in performance; although given that different test methods are probably used, you shouldn't head-to-head MTFs from different companies).
And, of course, MTFs don't show anything about distortion or CA control.
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How about that 135 f/2L, then, eh? Holy crap...
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Oh, hell, you should see the EF-S 60 macro.
