I agree with Paul. I also have a Vivitar 90 Series 1 macro. The 1:1
adapter does have some glass in it, but it is not a 2x TC, and, it does not
need any adapter ring.
Downside of the 90w/adapter is THE THING IS HEAVY! Needless to say, all
metal (oh, all right, except for the glass).
It is my 90 that Gary Reese evaluated. I've had mine since '77 & love it.
For what it's worth, it has a 58mm thread (or is that 2 5/16") <g>.
Brian P. Huber
Troy, OH
bphuber@xxxxxxxxxx
>
William wrote:
>I can second his opinion on the 90/2.5 I love it too!
>I hate the 1:1 adapter (2xconvertor) because of the troublesome mounting
and
>dismounting of this item ant the OM-adapter ring.
>As for being heavy, I also have the 100/2.8 with which I am quite happy
too.
>It's smaller tha many 50mm lenses of other brands.
Paul wrote:
I have no trouble with the 1:1, but that's because the version I have is Oly
mount front and back. It's not actually a 2x convertor as far as I've been
able to figure out because it substantially reduces maximum focusing
distance
but doesn't kill as much exposure as a 2x. (It also mounts some other
Oly lenses, with amusing results)
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