Designed to be easily attachedand removed from the 3PRO camera This ensures quick and hassle-free usage Optical glass, precisiongrinding and polishing, high-definition imaging A absorptionnano box specially designed for the set of, equipped with a soft sponge inside the box, ensures that the fixed filter is not easy to fall off, making it portable for long-distance travel Adopting a double-sided multilayer nanocoating process, the lens is endowed with waterproof, oil resistant, stain resistant, and scratch resistantproperties CPL / ND is adjustable, and the light can be adjusted by rotating the gear to select the appropriateluminosity for