For DJI Osmo Action 5 Pro 4 3 Housing Diving Color Lens Filter 1. Made of high quality PC material, durable to use. 2. Features professional lens with excellent lens grinding process for clearer images. 3. Protects against UV rays and reduces haze, helping correct chromatic aberration in landscape photos. 4. High transparency and high color reproduction for vibrant photos. Waterproof and scratch resistant, effectively protecting the lens. 5. Capture high-quality footage with the right color lens filter for different conditions: - Purple filter: Corrects color when shooting in green seawater at depths of 5 to 25 meters. Ideal for freshwater lakes, reservoirs, or saltwater with green algae. - Red filter: Suitable for use at depths of 1020 meters around noon when sunlight directly hits the water surface. Helps reduce red light absorption, minimizes blue tint in underwater footage, and restores color balance. - Pink filter: Filters blue light, improves contrast, restores natural colors in blue water, and produces warm, accurate tones. - Use red filter in bluish environments, purple filter in green environments, and pink filter to restore natural, warm colors in blue water.