HoodEYE for shooters who wear glasses. Designed specifically for use with glasses; the oversized eyecup reaches back to cover light leaks behind your glasses. You can easily upgrade your camera eyepiece in just a few seconds. The self-locking mount keeps HoodEYE securely on your camera. HoodEYE eyecups rotate to accommodate right or left eyed shooters. Eyecups are made of Hypoallergenic silicon rubber for comfort. 5 HoodEYE models fit all CANON and NIKON digital SLR cameras.