Features: Capturing the world in impeccable detail with the Filter Set, to improve your air photography with clear optical glass for truely color restoration. Each filter boasts a coating for increased light transmission and picture contrast, along with a lightweight, corrosion resistant aviation aluminum frame that will not weigh down your flight. Suitable for enthusiasts, photographers, and professional pilots, this set is for capturing visuals. Whether you're shooting breathtaking landscapes, architectural marvels, intimate portraits, or experimenting with creative effects, these filters provide the clearness and precise need for every scenario. Elevates your air shots to new height with this filter water, oil, and scratch resistant features, ensuring your investment remain protected while delivering consistently sharpness and picture. Specifications: Material:Metal+Glass for Flight Size:Approx.20.2x15.2x14.8mm/0.79x0.59x0.58inch Package Includes: 1pc ND8 1pc ND16 1pc ND32 1pc ND64 note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.