Soft Graduated ND16 (4 Stop) Lens Filter Ultra-Clear Optical Glass Multi-Coated * High Contrast Suitable for high contrast between the sky and the ground. If the ground exposure is normal, the sky will be severely overburdened. The soft gradient lens can effectively balance the light ratio and contrast * Optical Glass The material of the filter is top Japanese optical glass, Soft gradient GND16 circular filter, dimming 4 levels (1.2), transmittance is 6.25%, reflectivity is 1.5%. * CNC Patterns On the raw material of the optical glass, precision grinding and double-sided polishing ensure the stability of the molecular structure, and will not affect the sharpness on the telephoto lens, ensuring high-definition imaging. The surface of the mirror frame is designed with CNC trapezoidal patterns. * Waterproof After the glass is optically polished, a high-tech film is plated on the surface. "Moldproof", "Waterproof", "Anti-scratch" and "Anti-greasy". While having the characteristics of hard scratching,oil proof stains. * Thin Frame The frame is made of aviation-grade aluminum, and the thickness of the frame is only 5.3mm. The design of the thin frame ensures that consumers and the wide-angle end and the telephoto end will not have vignetting. * Package include 1* ND16 Filter 1* Carrying Box( Box color is sent randomly, with the same filter) Please reconfirm your lens size before ordering, your camera's lens thread size will be marked somewhere on the lens barrel. This number is always preceded by a "" (diameter) symbol. Eg. 58=58mm thread size. window.adminAccountId=2673025336;