Product Name: Eye Mask
Model: EG
Material: Rubber & Plastic
Replacement: Original Canon Eye Mask EG
The following Canon camera models are supported:
Applicable: EOS-1D X / EOS-1Ds Mark III / EOS-1D Mark IV / EOS-1D Mark III / EOS 5D Mark III / EOS 7D
The eyecup is mainly used to prevent light from entering the eyepiece during long-term B-bulb exposure to take pictures of small parts; also to prevent scratching the eyepiece when the camera is not used; to prevent debris from entering the viewfinder when the camera is stored.
How to use eye mask or extender?
Take off the rubber eyecup before use, and then insert the eyecup or the extender into the external card slot of the viewfinder.
925392565