Originally posted by Lowell Goudge Can you send pictures. I agree I like to consider all my stuff as a system. 3 film bodies, 5 digital bodies (crop and Ff) and 60 lenses
60 lenses? That's a fair amount, well they always say invest in glass. I have a good selection of film cameras and lenses, nothing fancy though. The only Leica I have is a broken M4P. I assumed Pentax lenses offered the same compatibility as Nikon, I can use VR/SR and AF on my F80 and nearly all the lenses mount on all the F-mount cameras with few exceptions. Old lenses on new cameras and new lenses on old cameras.
Here is a link to the camera mounts and the Laowa lens mount.
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---------- Post added 02-19-21 at 04:39 PM ----------
Originally posted by JensE Just carefully checked the Laowa 100mm on a Program A: It is the coupler, for which there is no space in the lens mount. The Laowa would meter correctly in the A-Setting on cameras that support it. Do you think it makes sense to contact Laowa and IRIX to point out the potential damage on classic cameras?
The thing is that Pentax shooters are probably in the minority concerning their customer base and Pentax film shooters who use Laowa and Irix are more than likely few and far between so getting them to modify their future mounts may be a tall order. But yes they should be informed.
Having read what you said I checked the mounts of the MZ6 and 30. I believe the aperture coupler reduces the amount of room for the lens to rotate and that's why it can't mount (but it will mount if forced as I did on the KM, no damage as far as I can see, the lens aperture still stops down as it should on other lenses)