I have one of these sheets for a 28/2 with floating elements. I could
scan it and send it to you or Hans if you would like.
Giles
John A. Lind wrote:
> His two notes mention the possiblity of 3 versions of the lens, the
> earliest of which may not have had the floating element. It has always had
> earlier designs, some dating to the beginning of the 20th Century. I'm
> wondering if the 28/2 is a symmetric design, and the 24/2 and 35/2 are
> asymmetric designs (or vice versa). Just stabbing in the dark about
> another possible correlation.
>
> Olympus provides (or at least provided) a data sheet containing DOF tables
> and a cutaway view of the lens (without dimensions) in the box with each
> lens. I think most of these get chucked into the trash along with most of
> the other papers. It would be interesting to compare cutaway views showing
> the element and group configurations on the three lenses. It is sad this
> information was not provided in the OM Sales Information Files (or was it?).
>
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