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.