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Specifications
1) Material:CR 39
2) Refraction Index Nd= 1.56
3) Abbe Value: 42
4) Specific Gravity: 1.32
5) Diameter: 55/60/65/70mm
1) Product Name:CR 39 Single Vision optical lens
2) Refraction Index Nd= 1.56
3) Abbe Value: 42
4) Specific Gravity: 1.32
5) Diameter:55/60/65mm/70mm
6) Coating:UC HC HMC+EMI(Green,Blue)
7) Package: white envelopes or as customers' requirement
8) Semi-finished or finished are available
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