1、Graduated color filter can provide a gradual color transition for a smooth blending effect. 2、Waterproof and anti-scratch, smooth surface and easy to clean. 3、Good quality aluminium alloy frame and multi-layer coating lens, no distortion, durable to use. 4、Mini and lightweight, easy to carry and use. 5、Helps photography to create photos with beautiful effects. Features: Graduated color filter can provide a gradual color transition for a smooth blending effect. Waterproof and anti-scratch, smooth surface and easy to clean. Good quality aluminium alloy frame and multi-layer coating lens, no distortion, durable to use. Mini and lightweight, easy to carry and use. Helps photography to create photos with beautiful effects. Grey for photography of cloudy sky, sun rise and sunset. Orange for sun rise and sunset, can make photos have better infectivity. Blue for making the blue looks more blue without affecting the color of ground scenery. Red for enhancing the tone of red color to make sunset glow looks more vivid. Specification: Material: Optical glass + aluminium alloy Color Options: blue, orange, red, grey Size: 5*4*0.9cm/1.97*4.33*0.35inch Fitment: for Sony HDR-AS300 HDR-AS300 HDR-AS50 Package List: 4 x Lens Filter 1 x Storage Case