Polaris Karat lens mount_Mamiya RB Singh Ray ND-2G-SS is a

Singh Ray ND-2G-SS is a 2-stop

with Nikon's premium ED optics and an accurate Copal 1 shutter

The Zenza Bronica Speed Grip S is an attachable bracket for the Bronica SQ system

The lens is a 26mm f6

with some scuffing on the front flap

Polaris Karat lens mount_Mamiya RB Singh Ray ND-2G-SS is aThe Polaris Karat is a capable modern lightmeter for flash, incident, or reflected light measurement. It has a large, easy to read colour screen and an interface that is if not 100% intuitive at least easy enough to figure out. This one is in good cosmetic condition overall, with some scuffing and wear from use and handling. Tested accurate.