Features: This ND filter, named light reduction filter, also known as neutral density filter which can reduce the light, prevent overexposure, reproduce the contrast of the scene. Our ND2-1000, 10 stops adjustment, very easy to install and remove. Multi-layer coating process, water-proof, oil-proof, and scratch-resistant performances, protecting your camera lens. It can be used for night shooting, such as water flow, street views, night scene, traffic flow, light track, etc. It can make night shooting more delicate, transparent and bright by extending the shutter time. Available diameter 49mm or 52mm or 55mm or 58mm or 62mm or 67mm or 72mm or 77mm or 82mm, compatible with almost all cameras with 49 or 52 or 55 or 58 or 62 or 67 or 72 or 77 or 82mm lenses. Specifications: Material: Magnesium Aluminum AlloyandOptical Glass Diameter:49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm(optional) Note: Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions. Package includes: 1x Neutral Density Lens Filter