The Panasonic DMW-EC6GU-K Eyecup for Lumix DC-S1/S1R is an original Panasonic eyepiece for the Lumix S1 and S1R. The eyepiece offers better sidelight blocking and more comfort when shooting. The DMW-EC6GU-K offers excellent light-repellent properties and stability for better shooting results. It can be fixed by a slight twist. The anti-static design prevents dust accumulation.