Originally posted by asharpe Does the K1 still have the exposure problem with old lenses that do not short out the mount contacts?
Are you talking about lenses with either anodized/painted/coated mount bases or bases that don't touch the contacts in the first place, like most M42 lenses?
I can't see how the K1 would fix those issues. The M42 stuff is specifically supposed to work that way. The lenses with coated bases get treated like M42 inappropriately, but they still work fine that way.
If you care about it a lot, there are a few ways to handle it:
-Sand off the coating (use appropriate precautions to avoid damaging the lens) - I did this with my porst 55/1.2 and one old 135 lens, and it works fine.
-aluminum tape on the lens mount base -- if the lens doesn't fit super tight on the camera, this works pretty well
-short the A pin inside the camera (I did this on my K5. It has some benefits and some detriments. It makes the camera think all lenses are A lenses, which is fine if you're shooting wide open or completely closed, but non-A lenses, the in-between apertures will be all kinds of screwed up because they changed the way the aperture blades move with the A series. I didn't bother with it on my K3 because it wasn't that useful in the long run)
- You can go total overkill, remove the mount plate, drill holes and add pins in the appropriate places to make the lens report itself with the correct aperture range.