Pack eco tone

Suitable for Xiaomi, for YI, for Gopro and other sports camera which lens caliber is 37mm. The CPL lens filter can improve the blue sky tone and simulates night effect. Improve the image clarity, texture and color saturation of non-metallic objects on the surface of the flare. Great accessory for photography enthusiasts. UV filter is for the seaside, mountain, snow and open areas such as the environment, can reduce the blue light caused by the blue tone. Can eliminate the interference of ultraviolet rays on the CCD, help to improve the clarity and color reproduc 2 filter a pack to meet your different photography demands.