360 ° rotating lens design to meet the position adjustment of different mobile phone lenses. Different realms, different colors... Mobile phone shooting can also restore coral dazzling color .... The daily sea tank light is usually blue and purple, and the photos taken with mobile phone are blue as a whole. When shooting, you only need to match the Haixiang filter to filter the blue-violet light, and the color of the coral is not distorted... Optical whiteboard glass, vacuum-plated optical interference film, reflect and absorb blue light, and restore the fluorescent color excited by the coral under the light. The filter can be rotated at 360 degrees, which is convenient for you to take pictures of the beautiful scenery in the cylinder. The built-in soft silicone gasket is non-slip and protects the safety of the mobile phone.