The FDA-EP10 Eyepiece Cup from Sony is a replacement eyepiece cup dedicated to the NEX-7, NEX-6, and a6000 digital cameras. The soft touch eyepiece cup helps to protect your viewfinder from dust, moisture, and scratches. It allows more comfortable viewing when camera is held to eye, especially when wearing glasses. The design also helps to block out unwanted light, providing more detail while looking through the viewfinder. It is also compatible with optional FDA-EV1S electronic viewfinder for NEX-5N cameras