Non-coated anti-blue glasses $ 11.72 Frame adjustment: none Lens thickness: 1-2mm Brand: Defeng Transmittance: 99% Model: 1892 Executive standard: "GB 13511.1-2011" Frame material: tr90 Lens type: uncoated lens Product Model: 1892 Frame material: TR Lens material: PC Function feature: decorative mirror Frame weight: 16.6g Total width of glasses: 142mm Frame width: 57mm Mirror width and height: 43mm Nose bridge spacing: 20mm Temple length: 1 48mm Note: There is an error of 1-3mm due to different measurement methods, the data is for reference only, and the actual product shall prevail
