1Orange Filter: Mainly used to shoot sunrise and sunset, can make the original monotonous sunrise and sunset scene more layered and dynamic. 2Purple Filter: The gradient purple filter is a blend of blue and red, often used in landscape shooting to bring out a dreamy purple effect. 3Yellow Filter: Suitable for wheat waves, grassland, rapeseed, etc., brilliant colors, one of the most important filters for photographic art creation. 4Green Filter: Suitable for grassland, woods, green leaves, set off the background color, highlight the corresponding protagonist. 5Blue Filter: Suitable for bad weather, heavy clouds or haze weather, can restore the sky to a clear blue, against the white clouds. 6Application: This filters fit all brands of 40.5mm/6in camera lens, for example, suitable for Nikon, for Sony, for Fujifilm and other camera lenses. 7Multi Layer Coating: Multi layer nano coating technology, the lens has waterproof, oil proof, anti fouling, and anti scratch performance, which protects the lens from dust and scratches.