Mamiya Deluxe L-Grip Holder for M645 studio stand if that makes sense: The

if that makes sense: The system includes a double ball joint head with threaded studs to give you multiple mounting options and a detachable camera platform with a few mounting option of its own

and a piece of IR filter is taped to the front of the lens: looks a bit dodgy

plus room for a second BLN-1 battery (not included

It's still a Retina

Use it on any Pentax K mount camera

Mamiya Deluxe L-Grip Holder for M645 studio stand if that makes sense: TheThis Mamiya left hand grip is designed to fit the M645, providing a trigger actuated shutter release and a 1 4" threaded accessory mount for flash shoes etc (accessories are sold separately.) In excellent condition.