Blindfold
●It is mainly used to prevent light from entering through the eye mask during long-term B-bulb exposure and taking pictures;
It also prevents scratches on the eyecup when the camera is not in use; prevents debris from entering the viewfinder when the camera is stored.
How to use the eye mask
●Remove the rubber eyecup before use, and then insert the eyecup into the slot on the outside of the viewfinder.