1. Hazy Effect: Soft focus filters can make the face to be photographed soft and rounded. Its refraction and diffusion effects are used in various photography and post-production. When shooting portraits, it can hide blemishes, spots, etc., making them softer and more romantic, thus more charming and artistic. In landscape photography, it can increase the atmospheric perspective effect of the image to a certain extent, so that the distant view has a slight blur effect, making the landscape more beautiful and natural. 2. Knurling Technology: Advanced knurling technology prevents hand slippage and allows for easy removal and installation. 3. Matte Frosting Process: Details show quality, fine matte frosting treatment process and fine embossing, feels good. 4. Easy to Install: Just gently twist it. Lens installation can be stacked, lens when installing the lens, remember not to overtighten, rotate upwards on it because the screw nozzle 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 transmittance, does not affect image reproduction. The frame is made of premium aluminum alloy, the outer frame is strong, durable, and not rusty.