Product Name: Eye Mask
Model: EG
Material: rubber plastic
The following Canon camera models are supported:
CANON EOS-1D Mark IV/EOS-1D Mark III/1Ds Mark III/7D
Eyecup is mainly used to prevent light from entering the eyepiece during long-term B-bulb exposure to take pictures; it can also prevent scratching the eyepiece when the camera is not used; prevent debris from entering the viewfinder when the camera is stored