The DK-17 Eyepiece from Nikon is a replacement
eyepiece for Nikon's D4, D3, D3S, D3X, D2H, D2Hs, D2X, D2Xs, D800,
D800E, D700 and F6 cameras. Standard eyepieces supplied with Nikon SLR
cameras have no corrective value and are for dust protection only.
Select eyepieces are supplied with a rubber coating designed to lessen
scratching of a photographer's eyeglasses.