----- Original Message ----- From: "Kostas Kavoussanakis" Subject: Tamron Adaptall Mounts
> > Hi, > > I got a used Tamron 90/2.5 (49mm thread) but it has the wrong Adaptall > mount. I don't know much about these mounts, any references? What I am > looking for is info on whether Adaptall and Adaptall 2 adaptors are > usable with this or only one type. Is it still the consensus that KA > Adaptalls are problematic? Are suitable Adaptall mounts available new > and is it recommended against buying used? I have found the Adaptall A mounts to be somewhat problematic. The internal contact seems prone to corrosion, with the result being the camera loses aperture information. I can't answer your other questions. William Robb
