1Simple design, easy for installation and operation, convenient to use. 2CPL filter, generally used in landscape photography, eliminate unnecessary polarized light, make the whole picture more clear and transparent feeling. 3Eliminating reflections, photographing water, especially riptide, allows you to "see through" the surface and restore the texture of the object itself. 4On sunny day shooting, the polarizer makes the sky bluer, the clouds more three-dimensional, the contrast strong and the layers more prominent. 5Restore color, enhance contrast, most objects will have reflection, can filter to show their true color. 6Increase saturation, can eliminate the non-metal surface stray light, make the sky more blue, more colorful flowers, grass more green.1 x CPL Lens Filter