Freewell Standard Day – 4K Series – 4Pack ND Filters Compatible with Hero9 Black

• Unmatched Optics: Each of Freewell 4K Series optics are handcrafted precisely made compatible with Hero10/Hero9 Black (Naked)
• GimbalSafe: Freewell GimbalSafe technology ensures each filter frame goes through a rigorous lightweight test putting no negative effect even when you use our filters on drones & gimbal.
• What is included: PL.
• Storage Protection: Each filter comes with a robust magnetic filter case.