M-index 1.56 Sph/Asp
| Product Name | Middle index Lens |
| Material | KOC55,CW-55 |
| Manufactory | KOC(Korea)/Chungho(Korea) |
| Refractive Index | n(d)=1.545,n(e)=1.550 |
| Abbe Value | 36 |
| Specific Gravity | 1.27 |
| 55/60/65/72MM Coating:HMC,EMI,Super Hydrophobic Multi color:Green,Sky blue,Purple,Gold | |
