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An over fertile imagination perhaps, all about the D400...

nrothschild

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"RE: An over fertile imagination perhaps, all about the D400?"

nrothschild Neil is an expert in several areas, including camera support Registered since 25th Jul 2004
Wed 09-May-12 11:58 PM

Hi Perrone,

As I said, the image displayed, as I downloaded it from my browser, is 1600x1068 so effectively it *is* downsized if it is not cropped. I think the image, exactly as is, at 1600x1068, makes your point and it is a very valid point and a critical point for people to understand in order to puzzle out the disparate opinions on this subject.

I agree with your point that the image is probably "plenty good enough for most" uses (not having seen the out of camera original). I wanted to lay out the math, for those interested in such things, in order to support your contention on a theoretical and mathematical basis, at least as best I understand the application of the system formula and some related issues.

I also wanted to try to reconcile your opinion, relative to the other extreme of opinions, which are basically looking at this from a 100% pixel, maximum possible resolution point of view.

I suspect if you look hard enough, as I suggested, you could demonstrate differences in resolution with "better" lenses although you would have to do it wider than about f/7 or so.

How much is enough is an interesting philosophical question. There is another question as to how much "excess resolution" really effects images. If it does not help then there is little point in the D800 for most people, yet that is not the impression I get from many sample images I've seen, even at decent web size, where the camera obviously does things other cameras can not.

I don't think any of this is well modeled by the math, which was the reason for my ending caveats.

_________________________________
Neil


my Nikonians gallery.

This is a hot, active topic! An over fertile imagination perhaps, all about the D400... [View all] , richardd300 Silver Member , Thu 26-Apr-12 07:41 PM
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                                             Reply message We've seen (and heard) this before Neil...
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Reply message There are two types of too close Neil.
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               Reply message No Jim, I was NOT misleading...
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