Also imagine fitting one (not the 12 gauge, a smaller caliber) into the battery compartment of a top-rf mounted speed/crown graphic.. press the focus button and instead of the lightbulb for focusing, you've got a laser dot. Same with the side-mounted kalart if you can figure a way to mount it into the top of the case (where the original attachment went)..
Also would make for calibrating your kalart extremely easy (i've done this before, calibrated an aero-ektar perfectly, then a week later a 7.5" anastigmat, perfect every time.. near and far.)

Just some thoughts, coffee is finished..