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 design and precision lens grinding for clearer images. 3. Reduces the effects of UV rays and haze, helping correct chromatic aberration in landscape photography. 4. High transparency and accurate color reproduction for vibrant photos. Waterproof and scratch-resistant to protect the lens. 5. Capture high-quality footage with the appropriate 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 areas affected by 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 or green tint in underwater images, and restores natural color balance. - Pink filter: Filters blue light, enhances contrast, and restores natural colors in blue water environments, producing warm and accurate results. - Use red filters in bluish conditions, purple filters in greenish conditions, and pink filters to restore natural warmth in blue water settings.