TELESIN Polarizing Filter for GoPro Hero 9 Black, CPL Circular Polarizer Filter Lens Protector for Go Pro 9 Accessories
99.5% does not reduce image quality, ultra
-thin glass design to avoid vignette. Lightweight and durable, lightweight and durable, multi
-layer coated optical glasses with a protective film to keep the lens clear during transportation. It can help eliminate unwanted reflections such as airborne light, metal and water reflection, allow only parallel light to pass through to increase color saturation, creating deep and rich scenic images. It can help reduce the amount of light entering the lens, especially useful in reflective or stray light, it also provides color and contrast enhancement by reducing glare from water or sky.