The Neewer ND4 Camera Lens Accessory with Cpl, ND4 makes creative exposure and image control easier to work into your everyday setup. Give your camera more creative options without changing the entire setup. The Neewer ND4 Camera Lens Accessory with Cpl, ND4 gives creators a practical way to handle creative exposure and image control, whether they're working at a desk or on location. Highlights include Cpl and ND4, giving you the key details at a glance. The listed aluminum alloy / optical glass construction keeps the design suited to regular use.