*** 5Dc vs 60D resolution test ***

Started Mar 17, 2013 | Discussions thread
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The Davinator
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Re: That's it!
In reply to Just another Canon shooter, Mar 23, 2013

Just another Canon shooter wrote:

Steen Bay wrote:

Don't think that DxO, DPR, Photozone, etc. are wrong, but it seems that their MTF-50 results don't tell the whole story. Maybe the 7D would have a higher resolution than the 5D if using MTF-5 instead of MTF-50, but that wouldn't tell the whole story either (so maybe it would be a good idea to use both).

Exactly. In the old times, DXOmark had the whole MTF curves. In typical cases, the 5D would be better down to MTF-10 or so, and below that, the 7D would be better - just because it has a larger Nyquist frequency. They did not measaure anything below MTF-5, if I remember it correctly, because then the noise and all errors overtake.

In other words, the 5D would be better in the MTF 10-95 range, and the 7D: in the MTF 5-10 range, roughly speaking. There are lot of other variables though, lenses used, apertures, etc.

Here is a typical chart but there are no labels here. It is not clear what we are looking at.

We can scan charts til the cows come homE.  In photographs, it is clear the 5D resolves less.

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