Re: Sony A100 to A700

Fred McKenzie wrote:

In article <6a9v4rF36336nU1@xxxxxxxxxxxxxxxxxx>,
Chris Malcolm <cam@xxxxxxxxxxxxxxxxx> wrote:

I think this approaching point where the full-frame sensors have
medium format film resolution is one of the critical elements in a
number of impending developments which will make a radical change in
digital camera design possible. The first important change, as you
mention, is that in order to take full advantage of the resolution a
completely new range of higher precision lenses will be required.

Chris-

There are existing lens designs for film cameras in formats ranging from
110 film to 8" X 10" sheet film. There is likely to already be lens
designs for any sensor format you can propose.

At present, my 10 megapixel APS sensor's images are approaching the
resolution of lenses designed for 35mm cameras, but they aren't there
yet. Looking at actual images, I estimate the break-even point to be at
least 24 megapixels, where the image becomes lens-resolution-limited
instead of pixel-limited.

I saw a passing reference, the other day, to something like "our 30MP
eyes". Is that an accepted ballpark estimate of our (ideal) visual
acuity, or more of a metaphor for "more than digital offers at this
point"?


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