Sea Research underwater housing for Hasselblad V series cameras: 500/c, 500c/m, 501, 503. With left hand grip and flash mount. Made of very thick plexi. Comes with the gear set to attach to the focusing barrel and aperture ring which mate to the housing controls. Comes with the link to replace the winding knob. This mates to the winding mechanism in the housing. Also comes with the connector to attach the flash cord to the port in the housing.

We would strongly recommend having the housing resealed and the O-rings replaced. That said, this is a quality unit.