K&F Concept Circular Polarising Filter for Dash Cam, 40 mm CPL Front Dashcam Camera, Compatible with Vantrue N5 N4Pro S1Pro E1 E2 E3 Lite, Reduces Reflections and Improves Contrast

【40mm Dashcam Filter】This 40mm circular polarizing filter is compatible with Vantrue N5, N4Pro, S1Pro, E1, E2, E3, E1 Lite. 【Reduce Dazzle and Improve Contrast】CPL Circular Polarizing Filter helps reduce reflections of non-metallic surfaces and increases color saturation and contrast, preserving the original color reproduction of images. 【Polarizing Filter】 The filter eliminates 99.9% of polarized light and has a high transmittance of 45%. 【Optical Glass】 The filter material is premium Japanese optical glass with 18 layers of coating, very easy to clean. 【CNC Frame】Constructed of premium aluminum alloy, this metal frame is sturdy, durable and rustproof. Black anodized threads on the filter with advanced CNC precision treatment for smooth rotation and effortless setup. * K&F Concept is the world's No.1 brand in terms of lens filter online sales volume among camera-accessory-focused brands. (K&F CONCEPT es la marca de accesorios fotográficos No.1 del mundo en volumen de ventas en línea de filtros de lente) Source: Euromonitor, 2024 date.