The Nikon DK-27 Eyepiece Adapter for D5 DSLR is a replacement eyepiece for the Nikon D5 DSLR camera. The eyepiece provides a comfortable frame with which to utilize the camera's viewfinder. Made from soft and durable rubber, it also prevents scratching and damage to eyeglasses. It mounts easily and securely to the viewfinder making an excellent spare or replacement item.