Made from soft and durable silicone + premium ABS material Provide cushioning around the camera's eyepiece, and are especially useful to eyeglass wearers Block stray light, improve viewing comfort. Keep viewfinder from scratch, impact, dirt, moisture and dust Mounts easily and securely to camera's viewfinder Not affect to use the camera’s LCD screen Dedicated to the Canon EOS R3 camera, this eyecup blocks stray light and studio lights from causing glare and simultaneously improves viewing comfort. It is made of high-quality silicone rubber, which makes it flexible and abrasion-resistant. The self-locking mounting system ensures easy and secure installation. The eyecup adopts an ergonomic design, providing a comfortable fit for your eyes with the camera. This eyepiece is an essential tool during shooting since it keeps your viewfinder safe from scratches, impact, dirt, moisture, dust, and unwanted light.