【For Action 5 Pro and Action 4 】 Compatible with DJI Osmo Action 5 Pro and Action 4 Adventure Combo, this black diffusion 1/4 filter is ideal for a wide range of sports activities, including surfing, kayaking, skiing, mountain biking, skydiving, skateboarding, and hiking as content creator essential photography accessories and influencer must have action camera gear 【Soft & Dreamy Cinematic Effect】 The filter can smooth skin texture, diffuse highlights, and add a dreamy effect to your shots, perfect for portrait photography, selfies, and personal vlogs 【Multicoated HD Optical Glass】 HD optical glass ensures sharp images without chromatic aberration or optical distortion. Multiple protective coatings on both sides resist water, oil, dust, and scratches for high durability and effortless cleaning 【Ultra Slim & Lightweight Frame】 Crafted with premium aluminum alloy, the slim filter frame with a matte finish ensures exceptional durability in challenging conditions while avoiding unwanted vignette and lens flare 【Convenient Screw On Mounting】 Remove the original lens first, then screw the filter on for a quick and secure setup. Note: The filter is not weather sealed and not for underwater use, as water will enter and degrade image quality