Material: CR39

Diameter: 70/28mm

Specific Gravity: 1.32

Abbe Value: 58

SPH Power range: -0.25 ～ -2.00、+0.00～+3.00      

ADD Power range: +1.00 ～ +3.50

Coating: UC/HC/HMC(AR)/SHMC

Coating Color: Green/Blue/Gold/Purple