An existing accessory which makes it easier to see the display in the viewfinder by blocking out light that would otherwise leak in around the user's eye.

Use title case when this term appears with a product number such as "DK-24" (e.g., "the DK-24 Rubber Eyecup"). Use sentence case when it appears as a general noun (e.g., "the camera is equipped with a rubber eyecup").

This term is a resolution of an inconsistency found in a product name after review. This term was translated as "Viewfinder Eyepiece Cup" in the manuals and "Rubber Eyecup" in the catalogs; the term "Rubber Eyecup" will now be used in all documentation.