Nikon DK- Rubber Eyecup for FM/FM-, FM-, FA, FE/FE- - Nikon

Nikon DK-3 Rubber Eyecup for FM/FM-2, FM-3, FA, FE/FE-2
by Nikon
(3)

Buy new: $14.50 $11.95
4 used & new from $3.95

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Increases viewing comfort. Prevents stray light from entering the viewfinder.