Features:
1) ND: 1.56
2) Diameter: 65mm/70mm / 75mm/80mm
3) Curvature: 50B, 100B ,200B, 400B, 600B, 700B, 800B, 900B, 1000B
4) Concave base: 500B
5) Central thickness: 11mm - 13mm
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| Price Terms︰ | Fobshanghai |
| Payment Terms︰ | T/T |
| Packing︰ | carton |
| Standards Certificate︰ | CE,FDA,ISO9002 |
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