Unmatched Optics: Each of Freewell 4K Series optics are handcrafted precisely compatible to be used with Insta360 One R (360 Edition)

Coating: Waterproof, Dustproof, Scratch-resistant, Oilproof, Color Neutral coating makes sure you get the best possible image while shooting outdoor.

Storage Protection: Each filter kits comes with a robust magnetic filter case