Description:*1.56 70MM Single Vision Optical Lens. BLUE CUT UV420.HC/HMC/UV400 available, Sph & Asp available.Features:Material*Character1). Index 1.499 cr-391). High impact-resistance (FDA)2). Raw Material: Plastic2). Stable Quality3). Abbe Value: 523). High Transmission4). Gravity: 1.32g/cm34)......
| Material | *Character | 
| 1). Index 1.499 cr-39 | 1). High impact-resistance (FDA) | 
| 2). Raw Material: Plastic | 2). Stable Quality | 
| 3). Abbe Value: 52 | 3). High Transmission | 
| 4). Gravity: 1.32g/cm3 | 4). No interal stress | 
| 5). Transmission: 92% | 5). Specailly for Plus powers | 
| 6). Fast changing | 








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