Photo and Video Filter -Protective Filter For GoPro Hero 5 6 7 Lens Highlights Generic Brand Protective Filter For GoPro Hero 5 6 7 Lens Description: Specially designed for Gopro Hero 5/6/7. The UV filter is used to reduce UV rays from the outside to the lens. UV filters are commonly used to help protect the lens surface from scratches, smudges, dirt and other hazards. The CPL filter improves color and contrast. Polarizers reduce reflections from water, glass or any non-metallic surface. You can also use a polarizer filter to darken blue skies. The red filter is necessary to restore the red light absorbed by the water to natural light, mainly used in large blue sea water, less algae, good water conditions. Magenta diving filter can restore natural light due to greenish scene caused by algae, often used for water greenness, algae plants, water quality. The yellow diving filter can adjust the spotlight area, the color effect is excellent. The red graduated filter enhances warm earth tones and is ideal for dramatic skyscapes. Ideal for photography and video shooting. The blue graduated filter remains the blue color of the sky and reinforces the effect of the sky while not influencing the background tone. The orange graduated filter creates impressive sunsets or places images in a dramatic landscape. The gray gradient filter provides a neutral color for a more balanced exposure when lighting varies. Specification: Size: 4.7x4.3x1cm Package Include: 4pcs Lens Filter (Red+Graduated Blue+Yellow+Purple) Note: Color may be slightly different due to the color calibration of each monitor. Please allow slight measurement deviation due to manual measurement.