Mennon A-ST 62 Screw Mount 62mm Hood for Telephoto 70-210mm Lens, Black
The main function of the lens hood is to shade the lens from stray light, improving your contrast and image quality. But it will also protect the front barrel from the inevitable impacts against walls, door frames, and other real-life obstacles and in inclement weather; it can assist in keeping moisture or wind-blown debris off the lens.Installation: