Canon’s Testing a 75MP+ Pro DSLR

Started Jul 21, 2013 | Discussions thread
qianp2k
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Re: The question is...
In reply to John Sheehy, Jul 26, 2013

John Sheehy wrote:

SubPrime wrote:

Yes, adding pixels does increase resolution, but if the lenses are not up to the task , you're simply resolving the flaws.

That sounds like good logic, except for the fact that along with resolving more flaws, you are resolving more details. You never get more or better details by resolving less. Compared side-by-side with a lower-pixel-density image with the same subject magnification, a flaw-exposing high-pixel-density looks superior.

The "flaw" in your point of view is that it totally ignores the overriding "flaw" of low resolution.

Also, an oversampled image is virtually indestructible, as far as geometric manipulations go.

However if large portion of those excessive pixels fall below MTF 20 resolution then it's largely irrelevant and hardly visible.  The bottleneck is still lenses.

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