67mm ND4-ND64 2-6 Stop Variable ND Filter and CPL Circular Polarizing Filter 2 in 1 28 Layers of Nano Coated Nano-X Series

-The lens is made of top Japanese optical glass and the lens is coated with 28 layers of nano-coating on both sides which is waterproof oil-proof scratch-proof and anti-fog. The lens adopts grinding and polishing technology on both sides to ensure ultra-high-definition and the sharpness of the image is not damaged. – The frame adopts self-locking technology which is infinitely rotated by 2-6 steps which is convenient for light reduction and positioning and at the same time avoids the phenomenon of black crosses. The side pull structure follows the design style of the square storage bag which is easy to take out.