The Original Canon Rubber Eyecup is a genuine product from Canon designed specifically for select Canon EOS film SLR cameras such as the 600, 620, 100, 3000, 10 1000, 5000, and 500 models. Made in Japan, this rubber eyecup ensures a secure fit for the camera's viewfinder to provide a comfortable and stable viewing experience. This high-quality replacement part is essential for maintaining the functionality and durability of your Canon camera.