Canon’s Testing a 75MP+ Pro DSLR

Started Jul 21, 2013 | Discussions thread
qianp2k
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Re: Canon’s Testing a 75MP+ Pro DSLR
In reply to John Sheehy, Jul 25, 2013

John Sheehy wrote:

qianp2k wrote:

I am wondering how many lenses or even if any can fully leverage 75mp? Will have a huge diminishing return.

Your metaphor has nothing to do with reality.

Lenses project analog images. You need a lot of pixels to get a virtually analog capture of the lens' projection. Even 75MP would be more like a mosaic than an analog image of the lens' projection, for a moderately sharp lens.

Look, very sharp Sigma 35/1.4 on 5D3 is 19 mpix while 23 mpix on D800. I guess on this 75mp camera would be only around 30-35 mpix. You can add more and more pixels but thru imperfect lens entire system only can gain resolution less and less.

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