The Nikon BL-3 Battery Chamber Cover is used with the MB-40 or MB-D10 multi-power battery pack with the EN-EL4 and EN-EL4a batteries. The MB-D10 battery pack is for use with the Nikon D700, D300, and D300S digital cameras. The MB-40 is for use with the F6 film camera.
In the Box
Nikon BL-3 Battery Chamber Cover for MB-D10, MB-40 Battery Packs