
JJC manufacturer's accessory version of the Canon ET-78B lens hood.
There is a hatch on the side of the lenshood through which you can adjust the strength of, for example, a polarizing filter or variable-ND.
The lens hood prevents stray light from entering the front lens and protects the lens from dirt and scratches.
The JJC LH-78B Lens Hood is suitable for the following lenses:
Canon EF 70-200mm f/4 L IS II