M39 Lens to Pentax Adapter

Not able to focus infinity,for macro shooting only.
No ROM connection on the adapter.
Diaphragm control of the lens is set manually.
Automatic diaphragm, auto-focusing,or any other functions will not operate correctly while using this adapter.
"Stop-down mode" will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body.

COMPATIBILITY:

Pentax K-01 Pentax K-5 Pentax K-7 Pentax K-x Pentax K-r Pentax K10D Pentax K20D
Pentax K100D Pentax K110D Pentax K200D Pentax K1000 Pentax K2000 Pentax *ist D Pentax *ist DL Pentax *ist DL2