Check the listing for details. 37mm Prism Lens Filter, Special Effects Filter Prism Crystal Glass Effect Black. Condition: New. Listed at 21.01 USD. These multi-refraction prism filters are perfect for cameras, and video lenses, they transform ordinary scenes into mesmerizing spectrum effect with vibrant light splits.Suitable for creative Avant-garde photography,compositions, and experimental Cinematic visual experiments.SpecificationColor: BlackMaterial: Optical Glass/Aerospace AluminumDiameter: 37 mm/1.46 InchTotal Size: 40 x 11 mm / 1.57 x 0.43 Inch (OD x H)Packing List: 1 Pcs x Special Effect Filters Optical Glass Prism, 1 Pcs x Plastic protective case, 1 Pcs x Cleaning clothAdvantagePrism Effects: The special effect filters naturally bends and splits light, creating effect without post-processing. Simply rotate the filter to adjust the angle and intensity of the refraction for endless creative possibilities.