Hi all,
According to the Olympus book "Design Concept behind the Zuiko
Interchangeable lens system" page 138, the Zuiko macro 50mm f/3.5 *does*
have a floating mechanism to compensate for close focus distance
aberrations.
(snip)
> >
> 50/3.5 doesn't have the floating element, but is still an excellent
> performer in normal as well as macro use. It is much easier to design
> and build a lens that performs well over a wide range of distances if it
> has a smaller maximum aperture.
>
> Moose
Brian
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