> Are you sure that this isn't simply that the "plane" of focus
> isn't flat
> but is a curve instead? I think most non-macro lenses exhibit
> some
> curvature in the plane of focus. Are the ZD's just more-so in
> this
> respect or is there truly something else going on?
I have found the 14-54 to be remarkably "flat-fielded" and quite
suitable for copy work.
A way of illustrating what I was talking about with "plane of
focus" vs "zone of focus", think of a traditional lens that has
a "plane of focus" one sheet of paper thick. The ZD lens'
"plane of focus" is more like an 80 page magazine.
AG
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