> >Firstly, in a book I have which was written by
Pangerl (it's a 1982 Dutch
> >translation of a book based on The world of OM
systems, and on a book about
> >the OM-10), in the section about copying slides it
is deliberately mentioned
> >that "the lens" (Pangerl discusses the usage of the
80/4, the 50/3.5 and
> >normal 50mm lenses) should be set to infinity. In
fact, he even added an
> >exclamation mark to that statement, which indicates
to me that this is
> >probably not a misprint, but a well considered
remark. Now, from what I've
> >gathered, the 50/3.5's close up aberration control
group only kicks in when
> >the lens is set to the closest focus. IOW, when the
lens is set to infinity,
> >as should be done according to Pangerl, this group
will not kick in. Now the
> >question is: which setting should I really set the
50/3.5 at for best
> >results?
Many of the Olympus fact sheets for the bellows and
extension tubes specify lens focus at infinity.
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