Features:Graduated filter can help you to re-establish the balance between color and reduce contrast between the different parts of your image.Half color， half clear with a graduated density transition for a smooth blending of color.Graduated gray filter provides a neutral color for a more balanced exposure when brightness varies. Graduated blue filter can to restore the blue of the sky， to strengthen the effect of blue sky and clouds， and will not affect the ground color.Graduated orange filter creates impressive sunsets or sets clouds into a dramatic scenery. Graduated red filter enhances warm earth tones and is great for dramatic sky scenery. This filter set is mounted on a rotating frame， so you will be able to rotate the coloring at any part of your image.Can be removed easily.This Photo filter is compatible with 72mm lenses. Specifications:Color: Graduated blue， red， orange， grayMaterial of filter: Optical resinFilter diameter: 72mmPackage size: 11 * 11 * 3cm / 4.3 * 4.3 * 1.2inPackage weight: 100g /3.53ozPackage List:1 * Graduated blue filter1 * Graduated red filter1 * Graduated orange filter1 * Graduated gray filter1 * Carrying bag