Really Right Stuff BH-55 with Lever-Lock Pan Clamp brand_Voigtlander Original Leitz catalog featuring the

Original Leitz catalog featuring the M3

Will fit Pentax 645 and Pentax 6x7 cameras

it's a pretty cool machine to shoot with (and the results are pretty great)

lens has some coating wear

If you're curious

Really Right Stuff BH-55 with Lever-Lock Pan Clamp brand_Voigtlander Original Leitz catalog featuring theReally Right Stuff's biggest ball head, the BH 55 is beautifully made and finished from high quality steel and aluminum, with a load capacity of 22kg. This BH 55 is in excellent cosmetic condition, with a few surface scuffs near its base. Ball lock is almost criminally effective, pan action on base and clamp is smooth. A fantastic large ball head suitable for nearly anything you might be able to throw at it. Base fitting is a standard 3 8" thread;