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: Zomei Model: IR Name: infrared mirror Frame: Ultra Thin Frame Frame thickness: 1.30mm Frame height: 2.91mm Lens material: crystal melting Frame material: aviation aluminum Lens compression spring: pressure seam type Caliber: 82mm Package Includes: 1x Filter