The Canon Eyecup Eb is specifically designed for use with various Canon camera models, including the EOS - 10D, EOS - D30, EOS - D60, EOS - 10S, EOS Elans, Rebel 700, Rebel 750, and Rebel 850. Made from durable rubber, this eyecup offers a comfortable fit while helping to block out ambient light, allowing for a clearer view of the camera's viewfinder. Its ergonomic design ensures that photographers can shoot for extended periods without discomfort. The eyecup is easy to install and remove, making it a convenient addition to your camera accessories.