Originally Posted by MattKing
I think you threw one too many negatives into the phrase "You don't want to accept that FF distance doesn't matter." I think it should be "You don't want to accept that FF distance does matter."
And no one seems to be mentioning that the size of the opening in the camera also matters - just try to fit a Canon breech lock FD lens through a Pentax screw mount lens mount.
Thanks for catching that & letting me know
Howz 'bout an RB lens on a Minox? Duct tape?