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/ 52mm/ 55mm/ 58mm/ 62mm/ 67mm/ 72mm/ 77mm/ 82mm, compatible with almost all cameras with 49/ 52/ 55/ 58/ 62/ 67/ 72/ 77/ 82mm lenses. Specifications: Material: Magnesium Aluminum Alloy+Optical Glass Diameter:49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm(optional) Package Includes: 1x Neutral Density Lens Filter 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.