Canon’s Testing a 75MP+ Pro DSLR

Started Jul 21, 2013 | Discussions thread
SubPrime
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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.

Wrong metaphor.  You are suggesting that because lenses are not made of binary information, they have infinite resolving power.

If you continue to magnify a piece of digital negative, you only get a finite amount of detail, beyond which, all you will see is the grain structure.

Even 75MP would be more like a mosaic than an analog image of the lens' projection, for a moderately sharp lens.

Wrong.   Before you get to the mosaic, you begin to see the inadequacies of most lenses.

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