>>Darin wrote:
>> Darn-it! The rear opening of the Sigma is 1.305 inches. Do's anyone know of
>> another option for a teleconverter smaller than 2x?
>>
>Kiron made a 1.5x, and Soligor sold one, which I suspect is a Kiron. The
>problem is that, as its official name, Match Mate, suggests, it was
>specifically made to match a couple of their zooms and tends to vignette
>on lenses longer than 200 mm. I know from experience that it vignettes
>on the 300/4.5.
>
>It's too late in the morning to do any fooling around like that now, but
>I'll try it on the Sigma 600/8, as I happen to have one too.
>
>Moose
I eyeballed my Zuiko 500 with the Kiron 1.5x. I can a see a slight darkening in
the corner of the focusing screen on my OM4. The problem would probably be
better seen on an OM1. Having said that, I think cropping the image might work.
I have been surprised before in what I thought would work when looking through
the camera and then seeing what got put on film. And the surprise was usually
not pleasant.
I can say the Kiron 1.5 works quite well with my Kiron 105, but 105 is a long
ways from that Sigma.
Jay
Hand me my costume
Please won't you pass me my mask
I have appointments I must keep with my past.
Bill Nelson - Beauty Secrets
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