Originally posted by Sandy Hancock Set the focal length to the actual focal length of the lens, i.e. 28-90mm. This will enable the body's SR system to work with your lens.
You will not get automatic aperture control. It needs to be set on the lens or the adaptor. Use whatever setting on the camera that gets the job done - you'll work it out.
Without the OEM Pentax adaptor, only the electronic shutter can be used.
thank you .. but please see my reply. am still like a mole on his way home?! IN THE DARK!