Gradient ND Filter, Optical Glass GND Filter for GoPro Hero 9 Black, GND Circular Neutral Density Filter Lens Protector for Go Pro 9 Accessories - Bindpo, Bindpoutnbo61miv

• The lens frame is made of aerograde aluminum alloy with CNC precise machining and anodized surfaces treatment. Easy to install and remove, with high definition optical glass production, strong and durable in use. The GND filter is mainly used for exposure balancing. When the sunlight is strong and the contrast with the ground is large, this filter can reduce the amount of light entering the upper part of the lens to avoid situations where the sky is too white or the ground is too gray. Adopt doublesided multilayer nanometer coating process, waterproof, scratchproof and oilproof, make the lens surfaces form a protective layer that prevent waterdrop and oil can not absorb the surfaces, easier to clean and maintain. Designed for GOPRO HERO 9, the lens protective cover replacement filter gives you better night shooting effect.