Neewer 77mm 3 Sections Collapsible Rubber Lens Hood Shade standard Telephoto Wide Angle Shooting for Digital Camera Canon Nikon Sony Samsung Olympus Pentax Lens with 77mm Filter Thread This lens hood can be adjusted the hood's length in 4 different levels, so you can shoot with standard, wide angle and telephoto focusing. It is made of collapsible rubber material and can be folded down for storing conveniently. The Lens Hood is double threaded which allows you to mount this to any 77mm thread size lens and filter at the same time. It shades the lens from stray light, improving your contrast and image quality.In inclement weather, it can assist in keeping moisture or wind-blown debris off the lens. It protects the front barrel from the inevitable impacts against walls, door frames, and other real-life obstacles.