Lightdow Clear Natural Night Filter Light Pollution Reduction Camera Lens Filter for Night Star

Block Wavelength: Light pollution reduction filter blocks the wavelength of light from common light pollution sources, allowing the picture to show true colors and high definition picture quality. Optical Glass and CNC Molding: Optical glass, no color cast, to high definition image quality. CNC molding, non slip pattern, thin design. Double Sided Multi Layer Coating: The light pollution reduction filter is waterproof, oil proof and scratch resistant to your camera lens. Item Type: Light Pollution Reduction Filter Material: ​Optical Glass, Aluminum Alloy Number of Coating Layers: Double Sided 18 Layer Coating Frame Thickness: Approx. 3.15mm Celsius 0.1in Color: As Pictures Shown