1. The filter adopts AGC optical glass, 28 layers of nano-coating, with waterproof and anti-fouling functions
2. The surface is blackened to minimize reflections and flares and improve image quality
3. The frame bayonet design fits perfectly with the fuselage lens base and is easy to install/remove
4. The filter weight is only 0.7g, which does not affect the gimbal load
5. Dimming gear 4, suitable for use in normal sunlight