... , HMC, EMI4) UV 380, UV4005) Power range:a) Sph: Plano - -10.00 b) Sph: Plano - -8.00 / C: -0.25 - -2.00c ... - +4.00 / -2.25 - -4.001,Index: 1.499 1.56 1.61 1.70Specific gravity: 1.16Abbe value: 44Dia: 55mm 60mm 70mm 75mmTransmission: above ... City, Jiangsu Prov. ChinaTel: +86-511-88015557,Mobile 18362038898 CR39 1.49 & 1.56 Optical Lens,Eyewear,RX lenses