For DJI Osmo Action 5 Pro, 4, and 3 Housing Diving Color Lens Filter 1. Made of high-quality PC material for durability. 2. Features a professional-grade lens with precision grinding for improved image clarity. 3. Provides UV protection and reduces haze while helping correct chromatic aberration in landscape photography. 4. Offers high transparency and accurate color reproduction. Waterproof and scratch-resistant to protect the lens. 5. Enhances underwater footage with color-optimized filters for different water conditions: - Purple Filter: Designed for green-tinted water (e.g., freshwater lakes, reservoirs, or saltwater with green algae) at depths of 5–25 meters. - Red Filter: Optimized for midday surface sunlight in depths of 10–20 meters; helps restore red tones lost underwater and improves color balance. - Pink Filter: Reduces blue light dominance, increases contrast, and restores natural warm tones in blue water environments.