Yikes! The rumored Nikon D800.

Started Oct 5, 2011 | Discussions thread
rhlpetrus Forum Pro • Posts: 25,854
Re: Doesn't that out-resolve many lenses?

It depends, don't forget you'll be looking at a much enlarged image, so all effects/defects will be more evident. Technically you are right, more sensor resolution means better resolution figures for a lens, but that's not same as actually lens doing better in terms of a final image, just larger = more details. Now why would CA improve?

Peter 13 wrote:

rhlpetrus wrote:

What about corners in terms of detail/distortion? A good FF lens on 7D may not be as good on the FF 46MP sensor. CA also affects corners the most.

With very few exceptions (the 17-40 wide open at 17mm), a good FF lens is better on FF even at the corners , in terms of resolution and CA. And, of course, more mp cannot make it worse.

Of course, all that depends if you are actually going to print the images larger, but that's the point of having more pixels. no?

Not necessarily. We get more detail that can be traded for better NR, for example. Also, a weaker AA filter.

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