CEARI [2 Pack] DK-23 Replace Rubber Eyecup Eyepiece for Nikon D7100 D7200 D300 D300s DSLR Camera
This Eyecup for Nikon replaces your lost, damaged or broken eyepiece
For?Nikon DK-23 rubber eyecup improves viewing comfort and prevents stray light from entering the viewfinder and diminishing contrast.
The Eyecup provides cushioning around the camera's eyepiece,and is especially useful to eyeglass wearers
Attaches to the viewfinder eyepiece minimizing extraneous light and vision fatigue
Two small clips on the back secures the eyepiece onto your camera