Item Type: Camera Filter Material: Aluminum Alloy + Optical Glass 1、Aluminum alloy frame, CNC precise processing, screw tight installation, quick and convenient disassembly. 2、Multilayer nano coating process, the lens has waterproof, oil proof, anti fouling, and anti scratch performance to protect the lens from dust and scratches. 3、Lens can make the captured picture soft and rounded. Its refraction and diffusion are widely used in photography and post processing production. 4、When shooting people, you can modify the details of blemishes and spots, make the skin smooth and delicate, and beautify the people. 5、When shooting scenery, increase the atmospheric perspective effect of the picture, make the distant scene produce subtle effects, and make the scenery more beautiful and natural.