ITEM NAME:37mm IR680 IR 680nm Infrared Filter for Camera Lens Digital DSLR SLR 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 Mei Model: IR Frame: ultra-thin Frame thickness: 1.3mm Frame height: 2.91mm Lens material: crystal melt Frame material: aviation aluminum Lens compression spring: pressure seam type Caliber: 37 / 49mm Band:680 Package Includes: 1x Filter SKU: ALU0004011663006432.Lens compression spring: pressure seam type. Caliber: 37 / 49mm.
