Originally posted by regken Just about the time I think you have come to your senses and are trying to become a valuable member of this community, you make a ridiculous post like this. The OP asked a simple question and you turn it into a chance to take a swipe at Pentax.
It is not ridiculous, just because of the various problems created owing to the crippled body K-mount.
Quote: The answer to the question is the manual lenses work equally well, or in your opinion, equally bad, on all the k x D bodies. I use them 80% of the time and they work fine. Use the green button to get close to the right setting then "Chimp" for the perfect exposure. Not a perfect solution but you are using a 20 year old lens that cost you a fraction of a new one.
Perfect exposure? Work like a chime? I don't think so. It usually underexposes. Moreover, the light meter fall out of the metering range without a warning when the available light is less and/or when the aperture is stopped down more. And, it works only in M mode (but not Av) and it works slowly and need to push the green button once more.
If the K-mount is not crippled, why old K-mount owners need to suffer from all the above problems?
To let you know it is not working properly, what I can share is that my Takumar M42 on a Canon 5D combo exposures faster and better than any Takumar or even K lenses on a K series DSLR! Don't believe it? Just try it out for yourself! (Hints: Just set the 5D (or any other EOS DSLR) in P or Av mode, choose the desired aperture and take the pictures)