Fits Nikon D6, D850, D810A, D810, D800E, D800, D700, D500, Df, D5, D4S, D4, D3X, D3S, D3,etc. The Eyepiece is designed to seal out stray light for improved viewfinder optics. Made of soft TPU rubber, it protects your eyes from scratches, especially for eyeglass users.
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