Feature●Handy reversible design allows you to attach the hood in reverse for easy storage in your bag●Minimizes flare and ghosting by blocking out stray light●Extra safeguarding from scratches and bumps deriving from accidental impact●Designed to accommodate the exact angle of view of the cameras lens●Easy to use bayonet mount attaches to your lens for a tight and secure fit. Just twist on or off. No wobbling or cross-threadingDescription Perfect replacement for Canon EW-73B