Description * ?ND & CPL filter 2 in 1?One filter has both of CPL and varaible ND filter function,save your time to replace two filters; it can not only reduce the amount of light entering the lens but also darken skies, manage reflections at the same time. * ?No ?X? cross on images?Say goodbye to the ?X? cross on images, K&F utilize cutting edge technology you?re going to say goodbye to this common issue with wide angle lenses and variable ND filters. * ?Material?Made by completed professional optical glasses, Multi-layer coating, only allows 0.7% light transmittance and waterproof, scratch-resistant, which could protect your valued lens. * ?Filter Frames?Filter Frames made by aluminum alloy, the serrated design of the edge of the frame makes it easy to install. There is 5 mark from Min to ND32 on frame, It is convenient for you to sure the ND filter stops. * ?Note? Please verify your camera?s lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a ??? (diameter) symbol.