Nikon D850, D810A, D810, D800E, D800, D500, Df, D5, D4S, D4, D3X, D3S, D3. The Eyepiece is designed to seal out stray light for more comfortable viewing from viewfinder. The eyepiece adopts an ergonomic oval shape that seals out all extraneous light, especially for eyeglass user.
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