Gold Index: 630
DanYang MaoXin Optical CO.,LTD [China (Mainland)]
Country/Region: China (Mainland)
glass lens
1.523
1) Refractive index ND: 1.5232) Density: 2.5333) Abbe number: 60.54) Visible light transmission rate: 92%5) 1.523 single vision lenses
2010-06-07