On Mon, May 07, 2001 at 07:02:19PM -0500, Joel Wilcox wrote:
> >From: "John A. Lind" <jlind@xxxxxxxxxxx> -- writ in part:
> >At 18:31 5/7/01, Joel Wilcox wrote:
> >>Hi John,
> >>
> >>Do you happen to know if your working distance using 135/2.8 with
> >>extension is similar to using a 135/4.5?
>
> >
> >---------- Short Answer ----------
> >
> >Working distance would have to be approximately the same for the same
> >magnification because the focal length is the same
approximaltely yes,
but my guess is that the working distance might even more with the 135 /2.8:
It is a tele construction with shorter built lenght than focal lenght.
Though I´ve sold my 135/2 I can`figure ot out anymore.
Is there a sourc of information about Olympus lenses which gives exact fguers
about the optical construction of Olympus lenses?
Frieder Faig
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