No colour cast: True colour polarising filter uses a new titanium coating technology to ensure that the video recording process effectively solves the problem of yellowish images and restores the true colours of the screen.<br> CPL filter function: with polarising filters, you can use unwanted reflections from non-metallic surfaces such as water, glass, etc. Can also improve colour contrast and saturation, especially in blue sky and white clouds.<br> Multi-coating: made of high-quality Japanese optical glass with 28-layer nano coating on both sides, HD, waterproof, oil and scratch-resistant, anti-fog and reduced reflection.<br> CNC frame: the surface of the mirror frame is designed with a CNC trapezoidal pattern, which increases rotation friction and is convenient for installation and removal.<br> Hign-concerned Chemical:none<br> Type:Polarizer Filter<br> Colour:As Shown<br> Material:Optical Glass<br> Size:49mm/95mm<br> Package Contents:<br> 1 * Polarizer Filter<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.