>
> >Gary Schloss wrote:
> >
> >> (b) if compact size and light weight are crucial, it's worthwhile to
> >> consider the Tamron SP 350/f5.6 mirror lens. In my recent encounter
> >> with this lens, it acquitted itself admirably well.
>
>
> Giles Stewart inquires:
>
> >Do you really mean the 350mm Tamron or were you referring to the 500mm?
>
> Yes, I definitely meant 350mm. This mirror lens was offered for a
> relatively short time (as was, btw, a regular Tamron 300/f5.6 lens).
>
> The 350mm and 500mm mirror Tamrons (both SP), share many parts and
> features: both have 7 elements in 4 groups, are almost identical in
> size and weight (the 500mm is half an inch longer), both focus very
> close (350mm is a bit closer -- 1.1m), etc.
Probably just a slight difference in the secondary mirror curvature
and relay lenses.
>
> Given their similarity, it is safe to assume that the manufacturing
> costs of both lenses were identical. Yet, the market conditions were
> such that Tamron could sell the 500mm lens for more $$$'s, and so the
> 350mm lens was discontinued. Based on my admittedly limited testing,
> this lens' premature demise is lamentable, even if economically
> Tamron's decision was justified. Who knows, maybe one day this lens
> will become a classic...
I thought it already was. You don't see many offered for sale. Cameta
just listed one in his new arrivals.
>
> Cheers,
>
>
> /Gary Schloss.
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|