The Eb Rubber Frame from Canon replaces the standard eye cup on select Canon camera bodies. It is to be used with a Dioptric Adjustment Lens E. This accessory part will fit the EOS 6D Mark II, 60d, 60Da, and 70D. It is also compatible with several older cameras, including, but not limited to, the EOS 20D, 10D, D60, D30, 10S, Elan series and some older Rebel models.
★★★★★ Perfect replacement eyecup for my 6D Mark II. It fits snugly, works exactly with the Dioptric Adjustment Lens E, and feels like the original Canon part. Great value and easy to install.