Rubber EG Eyecup for Canon EOS 5D Mk IV, 5D Mark III, EOS 5DS 5DSr 7D 1D-C 1D-X. 1 piece of Eyecup. Canon EOS 7D, 7D Mark II. Canon EOS 1DX, 1D Mark III, 1D Mark IV. Attaches to the viewfinder eyepiece minimizing extraneous light and vision fatigue.
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