Blueskysea CPL Filter Circular Polarizing Lens Cover for B4K Dash Cam

Description: The CPL (Circular Polarizing Lens) can be used to reduce reflections and glare from the window glass and road surfaces that can otherwise damage image quality, this works in the same way as polarized sunglasses. With our exclusive designed CPL filter, it could further reduce the reflections from windshield, getting more saturated and beautiful video. Installation Steps: 1.Take out CPL,cover it and stuck in the lens. 2.Remove the protective film from the lens. Notice: If the lens is dirty,please wipe the lens before install CPL. The CPL will obviously reduce reflections and glare in the middle ,while not so obviously on the edges. CPL Size? diameter:27MM Weight: 10g Package included: 1 x CPL for Blueskysea B4K Dash Cam 1 x Cleaning Paper