Originally posted by stevebrot I just did a little walk with Google images and see what you mean.
Steve
I did some quick and dirty shots, hand held, kit lens, available light (window) so they are not very sharp:
The K-mount adapter appears to me to be thinner than then on the non-auto bellow. And you can see the foot on the standard. You could use a battery grip but only if the rear standard is at the end. You have to position the standard at the back to turn a DSLR to portrait mode regardless.
Here I loosened the set screw and turned the body as far as I could until the corner of the mount base hit the foot. MF cameras have a rounded base without the corner. Work around - remove the camera and adapter from the bellow and reposition. Or add a short extension tube to the body. This is recommended BTW with the screw mount Auto Bellows.
There may be enough clearance up top on the K-1. One could always use a short extension tube between the adapter and the body.