Professional Heavy Duty Lens Hood The addition of a lens hood can help prevent flares-those circles of light that can accompany images where a strong light source is just outside the frame Professional tulip shape design (also known as 'flower' or 'petal' shape) allows for greater versatility Protects Lens from Accidental Impact Easy to use screw mount lens hood screws right onto your lens or filter. Package includes : NEW Professional Heavy Duty Lens Hood