ChromLives Camera Eyepiece Eyecup 18mm EB Replacement Viewfinder Protector for Canon EOS 80D 70D 60D 77D 50D 5D 5D Mark II 6D 6D Mark II 40D 30D 20D 20Da 10D 60Da A2 A2E D30 D60 18mm Eyecup design for Canon to prevent light entry due to bulb shutter long exposure.A great accessory for all photographers. Compatible with Canon EOS 80D 70D 60D 77D 50D 5D 5D Mark II 6D 6D Mark II 40D 30D 20D 20Da 10D 60Da A2 A2E D30 D60. Provides protection for the camera eyepiece and keep the camera viewfinder away from dust. Plastic body cushioned with soft rubber for comfort and protect your eyes. Package includes 2 pieces of Rubber Eyecup for Canon. Please refer to the pictures to make sure this item is the right one you need before purchase.