Canon's new 61 pt AF system (1DX, 5D3) smokes Nikon

Started Aug 12, 2012 | Discussions thread
Senior MemberPosts: 1,233
Re: Canon's new 61 pt AF system (1DX, 5D3) smokes Nikon
In reply to Picturenaut, Aug 14, 2012

Picturenaut wrote:

The D800 has the same pixel size than a EOS 7D. I have one and what I really can tell from 3 years of extended experience with it is that diffraction blur creeps visibly in @ f > =10, you see it in particular if you use a sharp prime lens (e.g. a nice Zeiss).

Diffraction blur is a function of the lens, not the camera or pizel density.

And that's a difference to real MF cameras with bigger pixels as you can utilize their optimum resolution in the f> =10 range without too much losses.

True, but then again, most DSLR lenses are optimum at F =10 range is because F10 on a MF body is much shallower than F10 on 35mm format.

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