Сохранить в закладки 62390743545:
1) Product Name:cr 39 nc lens optical lens
2) Refraction Index Nd= 1.499
3) Abbe Value: 58
4) Specific Gravity: 1.32
5) Diameter:65mm/70mm
6) Coating: NC
7) Package: white envelopes or as customers' requirement
8) Semi-finished or finished are available
Quality guarantee:
3 year quality guarantee.
Multi coating(AR)lens is produced by Korea coating machines,
| Item | CR39 Single Vision |
| Reflective Index | 1.499 |
| Abbe Value | 58 |
| Transmittance | 92% |
Specific Gravity | 1.32 |
| Abrasion Resistance | 6/8H |
| Diameter | 50/55/60/65/70/75/80mm |
| Coating | Tintable hard coated, Non-tintable hard coated; HMC, HMC+EMI, SUPER HYDROPHOBIC |
| Coating Color | Green, Blue, Yellow-green, Gold, Magenta, etc. |
| Power Range | SPH:-6.00~+6.00 CYL:0.00~-6.00 |






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