Protects the front portions of your lens from water, dust, and scratches. Center pinch design allows easy attachment and removal, even with a lens hood in place. Pinch the sides of the cap and snap it into place. Includes lens cap leash to prevent losses. Attaches to filters, adapters, and lenses with or without hoods. Comaptible for Canon Nikon Olympus Sony Leica DSLR Camera.