OK, now I understand. AFAIK there never was an OM to T4 adapter.
Chuck Norcutt
On 8/12/2014 7:17 PM, Peter Klein wrote:
Thank, guys, mystery solved. I didn't give the correct terminology. My
Soligor 300/5.5 mount is actually a T4. It has automatic diaphragm
support. The T4 adapter drops into the back of the lens when the
diaphragm pins are aligned properly. It then locks in place with a
ratchet mechanism tightened by a ring with a nub labeled O/C.
The links to mounts you folks posted are T2, but that doesn't do me any
good. The T2 mount was a screw-in 42mm, mostly used with preset lenses
in the late 60s-early 70s. I had such a preset lens back then (a 135/3.5
Vivitar), but not now.
When I first got the lens, I was unable to find a T4 to OM adapter for
it. I was told that they don't exist, only the later TX mount supports
OM. So I ended up getting a T4 to Nikon mount, and a Nikon to 4/3
adapter. I took the cell tower test shot I posted yesterday with that
setup on my E-30, and have also fooled with the lens on my E-M5 by
adding my Panny 4/3 to micro 4/3 adapter. So the Tokina 2x
teleconverter will fit into that setup.
So many adapters!
--Peter
> AFAIK, T2 mount just has the screws so one can rotate the
adapter--only an advantage as I see it and otherwise identical. They are
of > various build quality. The one on my Celestron 750/6 is top notch.
I have one on my Tilt-shift bellows that is so-so and a spare Jeff K
found > is excellent. He knows all about the various flavors and wish he
were posting more.
>
> Tilted, adapted Mike (or is that adapted, tilted?)
>
--
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