JJC Eyecup ER-H ERH type eyepiece for CANON EOS R3 R 3 / EC-ERH

Product Highlights
For CAN. EOS R3 camera
Replaces CAN. ER-h Eyecup
Blocks stray light, improving viewing comfort
Keep viewfinder from scratches, impact, dirt, moisture, and dust
Premium silicone rubber made, softer than the original one and durable
Self-locking mounting system ensures easy and secure installation  
Ergonomic design that fits comfortably with your eyes and the camera
Suitable for eyeglass wearers
Does not affect the use of LCD screen