Nikon MB-D15  type_Accessories It has individual locks for

It has individual locks for panning and ball operation

In awesome condition

But it has a number of unique capabilities that make it worth hauling around: it shoots in the convenient 6x7 image format

Canon TTL Hot Shoe Adapter 3 for off-camera TTL flash control using Canon’s corded off-camera TTL accessories

and it works on film and digital Nikon F-mount cameras (autofocus requires a camera with a built-in focusing motor

Nikon MB-D15 &nbsptype_Accessories It has individual locks forThe Nikon MB D15 is a vertical grip and battery holder for the Nikon D7100. It accommodates an extra EN EL3e battery with the included tray, or with appropriate carriers (not included) it'll take an EN EL4a or 6 AA batteries. This MB D15 is in very good cosmetic condition, with minor wear from normal use and handling.