BL-6 Battery Chamber Cover for D6 D4 D4S Spotting Scopes The DK-28 Rubber Eyecup improves

The DK-28 Rubber Eyecup improves viewing comfort and prevents stray light from entering the viewfinder and diminishing contrast

8G AF-S NIKKOR 50mm F1

And the NIKKOR Z 20mm f/1

and purged with nitrogen to ensure all-weather performance

helping you target the pin and not a tree or another object that could be in the way

BL-6 Battery Chamber Cover for D6 D4 D4S Spotting Scopes The DK-28 Rubber Eyecup improvesNikon's BL 6 Battery Chamber Cover is a protective cover designed for use with the EN EL18 EN EL18a rechargeable battery when it's being used with the Nikon D4, D4S, D5 or D6 DSLRs. It is a spare or replacement item for the cover originally included with the camera body. Compatibility D6 D5 D4S D4