Tamron produced a similar AF 70-210/f4 from 1987-89; weighed 856g, length
157.5mm. It could be the same lens, as at least one other Vivitar lens is
identical to a fixed-mount Tamron.
Roger Key
>Steve Goss wrote:
>If it's the same model as the one I saw at a camera show once, it's big,
>and bulky, and it needs batteries to operate. Optics should be just as
>good as the manual focus version, but not a lens you see very often. If
>I had one, I probably wouldn't use it lest I destroy it's collectible
value.
>Thanks, Steve Goss, Dallas Tx usa
julian_davies@xxxxxxxxxxxxxx wrote:
> If anyone is interested, Mr. Cad have a Vivitar Series 1 zoom for OM with
internal Autofocus (like the Zuiko AF).
> I presume (only from the lack of prior mention) that this is fairly
unusual, so may appeal to a completist? I wasn't aware that the third party
guys bothered with this phase of the AF "revolution"!
> Does anyone have any info/opinions about this lens?
>
> Julian
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