【Color Filters】Color filter resin filter, lens filter kit nd filter kit is exquisitely made, the filters provide gradient color transitions for smooth and blended effects 【Optical Filter】Made of optical resin material, waterproof and scratch-resistant, enhances color and contrast, especially suitable for white cloud and blue sky photography 【Filter Holder】The holder is suitable for square filters with a width of 100MM and a thickness of 2MM. It has a large clear light diameter and avoids vignetting on wide-angle and telephoto lenses 【Rear CPL Install Creativity Design】The newly upgraded filter holder supports the use of CPL filters. The CPL rear-mounted design overcomes the trouble of filter stacking and is very convenient to use 【Easy to operate】Because the gradient mirror with plug-in design is easier to change the angle and the gradient ratio can be changed by moving up and down, it is very popular among photography enthusiasts