Function: 1 Multi-layer coating can filter ultraviolet and stray light, greatly reduce the light caused by reflections, and bring more image effects. 2. Ultra-thin, ultra-light, high resolution, high transparency, and ultra-low reflectivity reduce the negative effects of reflections and refractures on photographs. 3 The die-cut injection molded frame is accurate in size, ultra-thin, no vignetting and will not affect self-inspection. 4 Made of pure optical glass material, high quality filter with stable optical properties and high uniformity. 5 Easy to use, direct installation in one step. Compact and portable. Specifications: Item Type: CPL Filter Color: Black Material: Aluminum Alloy + Glass Weight: About 36g / 1.3oz Applicable Model: For FPV Package List: 1 x CPL Filter 1 x Filter Cloth Note: 1 Drone is not included in delivery; 2. Please allow 1‑2mm / 0.04‑0.08in differences due to manual measurement. Thank you! 3 Due to the different light shooting and different monitors, the picture may not reflect the actual color of the item.