Material: NK-55

Diameter: 65/70/72mm

Specific Gravity: 1.28

Abbe Value: 35

SPH Power range: -0.00 ～ -8.00、+0.25～+6.00

CYL Power range: -0.00 ～ -6.00

Coating: HC/HMC(AR)/SHMC

Coating Color: Green/Blue/Gold/Purple