About this item Enhance Color & Contrast CPL filter can enhance the color and contrast, and remove non-metallic reflections such as water, and gl to show the true color, especially used in white cloud and blue photography. Multi-Coated & 18 multi-layer coating reduces reflection, and glare and improves color saturation and contrast. The vacuumed for the camera lens and filter is harmless for the equipment. Imported AGC Gl Avoids Glares Made by Japanese imported AGC gl, no effect on the image color, and restores the natural color. Ultra-Slim Frame Avoid Vignetting Only 5.3mm thickness frame, there is no vignetting even on wide-angle and telephoto s, and the CNC-non slip frame helps install and remove the filter easily. NOTE This filter is compatible with all 77mm s. Please verify your camera's lens thread size before ordering. This number is beside a "ø" (diameter) symbol.