Gitzo GH2780QR projector and the strap itself is

and the strap itself is run through with a few lengths of metal cable

Designed for stereography

It's got the excellent 16mp sensor from the D4

displaying a clear EV number that can be transferred to the calculator on the lens barrel to provide exposure options

Gitzo GH2780QR projector and the strap itself isThe GH2780QR is a high quality ball head that can support up to 14kg. It features a large, easy to operate ball lock mechanism with a friction control, plus an independent pan lock. There's a standard 3 8" thread in the base for tripod mounting, so this head is compatible with most better tripods. In excellent condition, with quick release plate.