>The Vivitar 55mm macro lens appeared in 1975. It's design is 5 elements in
>4 groups and weighs 11oz (312g). Minimum focus from film plane is 8&1/2" which
>achieved a 1:1 magnification ratio.
>
>Competing camera maker lens of the era were usually f3.5 lenses that would
>focus
>to 1:2 without extension. The lens was considered very sharp and achieved
>flat field resolution all the way down to it's closest focus point. It's only
>downside was it's comparative bulk when set side by side with a camera makers
>lens.
>
Thanks to all who responded to my Flea Market story. Thanks for the 2 posts
(including this one) that describe the lens. Its actually my first macro --
one aspect
of photography I've just never gotten into. But lots of the recent posts have
made me
want to maybe give it a spin -- and now I have at least one lens to start with.
I plan on getting a manual for the camera from Olympus -- thanks to those that
informed me they are still available.
Mark Hammons
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