Canon ER-iE Eyecup is the larger, asymmetrical version of this eyecup, which also fits the EOS R1.

The Canon ER-iE Eyecup is a genuine Canon product designed to replace lost or damaged eyecups for compatible Canon cameras. Made specifically for Canon cameras, this eyecup provides a comfortable and secure fit, blocking out excess light and preventing unwanted glare for clearer and more focused viewing through the viewfinder. The Canon ER-iE Eyecup is easy to install and ensures a snug and reliable attachment to the camera, offering enhanced comfort during extended shooting sessions. Keep your Canon camera in top condition with this high-quality replacement eyecup designed by Canon. Perfect for photographers looking to upgrade their Canon eyecups.