2X DK-19 Eyecup Eyepiece for Nikon D3s, D3x, D700, D850, D810, D810A, D500 Sport
Nikon D4, D3, D3s, D3x, D700, D800, D810, D810A, D500 Sport, D5, D850. Less stray light enters the viewfinder and a less flared, clearer image with which to compose your shot is provided. NOTE : This item is not manufactured by Nikon.