| Customization: | Available |
|---|---|
| Function: | for Presbyopic, for Astigmia, UV Protection, for Myopia |
| Material: | Nk55, Imported From Japan |
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SEMI-FINISHED 1.56 SINGLE VISION HM
| MATERIAL REFRACTIVE INDEX = 1.56 TOOLING INDEX = 1.530 | ||||||||
| Nominal curve | T.C | Sag | Rad | Back Curve | Diameter | C.T | E/T | RX Range Recommended |
| 0.50 | 0.56 | 0.202 | 990.2 | 5.25 | 75 | 8.0 | 13.5 | (-400~-2000)/-600 |
| 2.00 | 2.12 | 0.760 | 263.567 | 5.25 | 75 | 7.5 | 11.5 | (-200~-325)/-600 |
| 3.00 | 3.21 | 1.150 | 174.488 | 5.25 | 75 | 7.0 | 9.5 | (-000~-200)/-600 |
| 4.00 | 4.26 | 1.530 | 131.483 | 5.25 | 75 | 8.0 | 9.4 | (+000~+300)/-600 |
| 5.00 | 5.27 | 1.900 | 106.213 | 5.25 | 75 | 8.5 | 8.5 | (+300~+400)/-600 |
| 6.00 | 6.38 | 2.310 | 87.135 | 3.50 | 75 | 10.25 | 6.5 | (+400~+500)/-600 |
| 8.00 | 8.76 | 3.210 | 63.91 | 3.50 | 75 | 13.5 | 7.5 | (+500~+800)/-600 |
| 10.00 | 11.50 | 4.350 | 48.152 | 3.25 | 75 | 20.0 | 9.0 | (+900~+1150)/-600 |
The most common materials available for use in lenses used to be glass and a hard resin called CR-39. With the continuous improvement of technology, there are more requirements of CR39(optical/plastic) lenses than glass lenses. We are a manufacturer of optical lens, and in these lenses, 1.56 index lenses are one of the most popular lenses all over the world. Furthermore, lenses with 1.56 index are considered the most cost effective lens on the world market.1. Are your company a manufacturer or a trade company?
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