Add the Neewer ND4 Camera Lens Accessory with Cpl, ND4 when your setup needs a simpler approach to creative exposure and image control. Small lens accessories can make a noticeable difference in the frame. The Neewer ND4 Camera Lens Accessory with Cpl, ND4 is an easy addition for creators who want more control over creative exposure and image control. Useful listed details include Cpl and ND4. Built with aluminum alloy / optical glass where specified, it's ready to become part of a working kit.