The Caruba Nikon DK-21/DK-23 Eyecup from Caruba is compatible with different camera´s from Nikon. It is convenient as spare, or when you lost the eyecup of your camera. Nikon D300 Nikon D300s Nikon D500 Nikon D500 100 year edition Nikon D610 Nikon D7000 Nikon D80 Nikon D90