1、Hazy Effect: Soft focus filter can make the face to be photographed become soft and rounded. Its refraction and diffusion effects are used in various photography and post production. When shooting images of people, it can disguise facial blemishes, spots, etc., making them more hazy and romantic, and thus more charming and artistic. In landscape photography, it can increase the atmospheric perspective effect of the picture to a certain extent, so that the distant view produces a slight hazy effect, making the scenery more beautiful and natural. 2、Knurling Technology: Advanced knurling technology prevents hand slippage and allows for easy removal and assemble. 3、Matte Frosting Process: Details show the quality, fine matte frosting treatment process and fine embossing, feel good. 4、Easy to Install: Just gently rotate it. Lens installation can be stacked, lenses in the installation of the lens, remember not too tight, rotate up on it because the screw mouth is thin, too tight is difficult to remove. 5、Threaded Front Frame: The frame with threads in front of the frame can be ready to install the lens cap and other accessories. The filter is made of optical glass, high light transmission, does not affect the imaging. The frame is made of premium aluminum alloy, the outer frame is strong, durable and not rusty.