Dashcam Filter 40mm:

This 40mm circular polarizing filter is compatible with Vantrue N5, N4Pro, S1Pro, E1, E2, E3, E1 Lite.

The CPL circular polarizing filter helps reduce reflections from non-metallic surfaces and increases color saturation and contrast while maintaining the original color reproduction of images.

The filter removes 99.9% of polarized light and has a high transmittance of 45%.

The filter material is high-quality Japanese optical glass with 18 layers of coating, very easy to clean.

Made from high-quality aluminum alloy, this metal frame is sturdy, durable, and even rust-resistant. Black anodized threads on the filter with advanced CNC precision machining for smooth rotation and effortless adjustment.