1)Design for Canon lens, same function as ET-60
2)Lens hoods block side glare and augment the protection provided by filters to the lens surface and ring. The bayonet mount design makes it firmly on the lens.
3)Suitable For:
Canon Lens EF 75-300mm f/4.0-5.6 III USM,
EF 75-300mm f/4.0-5.6 III Lenses