22mm Rubber Eye Cup It works as a cushioning around the camera"s eyepiece, which provides a protection for the camera"s eyepiece. No matter you wear eyeglass or not, The TPU rubber of the eyecup is comfortable for your eyelid contact and your glasses. It impresses you a comfortable feeling following a pleasant experience. Compatible Products: D100, D50, D70, D70S,70D F80/F50/F50D/F55/F60/F60D/F65/F70 F Series Pronea