Neewer Eyepiece Eyecup (Canon EG Replacement) for Canon EOS Rebel 5D Mark III, 7D, 7D Mark 2, 1D X, 1D C, 1D Mark III/IV, 1Ds Mark III Digital Cameras Designed to perfectly replace Canon Eyecup EG. NOTE: Camera and Lense in the pictures NOT INCLUDED Compatible with Canon EOS Rebel 5D Mark III, 7D, 7D Mark 2, 1D X, 1D C, 1D Mark III/IV, 1Ds Mark III Digital Cameras Made of plastic and soft rubber. Works as a cushioning around the camera's eyepiece Provide comfortable eyelid contact and protect the glasses of eyeglass wearers Block out unwanted light from your viewfinder