Polaroid Eyepiece / Eyecup (Canon EB Replacement) For Canon EOS Rebel 70D, 60D, 60Da, 6D, 5D MARK II, 5D, 50D, 40D, 30D, 20D, 10D Digital Cameras 100% compatible with Canon Eyecup EB Designed to provide cushioning around the camera's eyepiece Block out unwanted light from your viewfinder It is especially useful to eyeglass wearers