Apparently it is a screwed on T mount. See
http://www.peleng-club.co.uk/disc9_toc.htm
Two of the posters have switched it for an Olympus. The rear-mounted
filters conflicts with the mirror. (And with the optics in the screw-OM
converter
that others were using.)
Paul
At 02:51 PM 8/5/01 +0200, you wrote:
>At 20:55 04.08.01 -0400, you wrote:
>>I was afraid there would be problems with an adapter. Oh well, was
>>worth a try ;-|
>>
>>GeoW
>
>Dont't give up yet! The reason there is no OM-adapter available is probably
>that there is no room for a lens release button. The other camera brands
>have the button on the housings, so there is no problem.
>I've got a Zenitar 16/2.8, originally in Pen*ax K-mount. I took the mount
>off and replaced it with one from a discarded Zuiko 50/1.8 (yes, it was
>already dead, so I thought of it like an organ transplant...). It required
>a little sanding to get the mount thickness right, but it was definetely
>worth the time spent. The diaphragm was automatic, but a spring from a pen
>make it permanently stopped down. This leaves two problems, or rather "issues":
>1. There still is no room for a lens release button. The lens still fits my
>cameras and stays in place, so I don't care.
>2. Spot metering have to be done at full opening to get correct values, and
>f/2.8 in bright sunlight will frequently give shutter speeds over 1/2000
>with all but the slowest films. Spot metering with a 16mm fisheye is a joke
>anyway, so I usually use a normal or short tele lens for metering and
>transfer the settings to another camera with the fisheye mounted.
>
>Back to the lens in question: the first picture clearly shows the M42
>mount, and it has three screws clamping the mount to a flange inside. You
>can use a common T2-adapter for OM, loosen the 3 or 4 screws around the
>inner ring, and substitute the outer part for the M42 mount. In other
>words, the Peleng sells with what can best be described as "half a T2 mount
>for M42", and it can probably be replaced. I've done this with a russian
>MTO 1100mm f/10.5, and the mounting shown looks exactly the same. This way
>you also get a lens release button!
>
>Regards,
>Thomas Bryhn
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