Description: Adjustable Filter: Lens filter are adjustable filters, and the frame can be rotated to meet polarization requirements when .Polarizer: Polarized lens filter, multi layer coating, eliminates unnecessary polarization, improves color saturation and contrast, and makes the image quality good.Durable Material: The drone filter is made of high quality aluminum alloy and optical glass materials, which is waterproof, oil and scratch , effectively protecting the lens.Portable: The drone camera lens is compact in size, easy to use and carry, and is a practical accessory for the drone camera lens.Premium Storage Box: The adjustable polarizer lens filter storage box has a simple design and is equipped with silicone lining, which provides soft and anti scratch protection, effectively protecting the lenses from water, oil and scratches. Specification: Material:Aluminum Alloy, Optical Glass Size Chart: Filter Size:2.3cmx1.8cm/0.91inchx0.71inchPacking Size:6.4cmx4.5cmx1.5cm/2.52inchx1.77inchx0.59inch Package Includes: 1CPL Polarized Camera Lens Filters Note: Please allow slightly errors due to manual measurement and different monitors.