With the mirrorless camera eyecup you can link your eye to the camera and comfortably seal out ambient light with the Eyecup for Select Sony a-Series Cameras from Hoodman. The eyecup relieves eye fatigue during long outdoor shooting, and its flat design allows for easy LCD articulation. Designed to replace select Sony a-series eyepieces, these eyecups are built to last and are made of hypoallergenic silicon rubber for comfort. Additionally, you can easily upgrade your camera eyepiece in just a few seconds.