NF&E Zomei 37mm Infrared Filter IR 950nm X-Ray Filters for DSLR Camera Description:Germany's top Schott optical glass.Delai Po ink silk screen, with no fade.High quality aluminum frame design.Good light transmittance, elegant packaging.Comply with EU environmental standards for hazardous substances - ROHS.Specification:Brand: Zhuo MeiModel: IRFrame: ultra-thinFrame thickness: 1.3mmFrame height: 2.91mmLens material: crystal meltFrame material: aviation aluminumLens compression spring: pressure seam typeCaliber: 37mmBand:950nm Package Includes:1x Filter