Daniel Liu schrieb: > > Well, this is a little bit arcane to say the least, but i just looked > at this old zoom lens' mount. It sports a KA mount, only it also > features a tiny protruding contact that doesn't touch any of the > contacts on the camera. I looked at the inside of the lens, and it > seems the contact is connected to a resistor. To top it all off, two of > the regular contacts are plastic, and three are little recessed metal > bits. On the outside, it's a 28-85mm f/3.5-4.5 CPC Auto zoom. The > apeture ring is also labled "KR," so I'm guessing it was made for a > ricoh k mount. Any thoughts?
Hi, as far as I can remember, Ricoh released it's own kind of "KA"-mount for the XR-P. This mount wasn't compatible with Pentax' KA-mount.
Sigma then claimed to have the only line of lenses compatible both for Ricoh and Pentax-A. I have two such manual focus lenses, the Sigma 18mm/f2.8 and the 75mm/f2.8~200mm/f3.5 (both ca. 1986) - but never had a Ricoh to test this. They called it "KPR"-mount. On my MZ-3 it works just fine. (But this won't help you, I'm afraid.)
Greetinx,
Thomas
Lea's Register describes the lens mount for the XR-P as follows:
"Interchangeable Ricoh R-K bayonet (modified Pentax K with contacts for programmed AE modes.) The XR-P accepts the P 50 1.7 auto "and K mount lenses in aperture-preferred and manual modes".
Regards, Ed
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