1.56 S/F Flat-Top Bifocal Lens | ||||||||||||
Material refractive index=1.542 | Tooling index=1.530 | |||||||||||
Diameter | Nominal | T.C. | Rad | Back | E.T. | C.T. | Sag | Seg | Seg | Add | Rx Range Recommended | |
Curve | Curve | Inset | Drop | Range | ||||||||
70/28mm | 50 | 0.53 | 1008.22 | 5.70 | 13.50 | 8.00 | 0.31 | 5 | 5 | 0.75-4.00 | -5.25D/-10.00D | |
70/28mm | 200 | 2.03 | 261.02 | 5.70 | 11.00 | 6.00 | 1.20 | 5 | 5 | 0.75-4.00 | -2.00D/-5.00D | |
70/28mm | 400 | 3.93 | 134.86 | 5.70 | 9.00 | 7.50 | 2.34 | 5 | 5 | 0.75-4.00 | -1.00D/-3.00D | |
70/28mm | 600 | 6.09 | 87.03 | 5.70 | 9.00 | 8.80 | 3.67 | 5 | 5 | 0.75-4.00 | +2.00D/-2.00D | |
70/28mm | 800 | 8.06 | 65.76 | 5.70 | 7.00 | 9.50 | 4.94 | 5 | 5 | 0.75-4.00 | +2.00D/+5.00D | |
70/28mm | 1000 | 10.11 | 52.42 | 5.70 | 7.00 | 13.50 | 6.35 | 5 | 5 | 1.00-3.50 | +5.25D/+7.00D | |
1.56 S/F Blended Bifocal Lens | ||||||||||||
Material refractive index=1.542 | Tooling index=1.530 | |||||||||||
Diameter | Nominal | T.C. | Rad | Back | E.T. | C.T. | Sag | Seg | Seg | Add | Rx Range Recommended | |
Curve | Curve | Inset | Drop | Range | ||||||||
70/28mm | 200 | 2.03 | 261.08 | 5.70 | 11.00 | 6.00 | 1.20 | 0 | 5 | 1.00-3.00 | -2.00D/-5.00D | |
70/28mm | 400 | 3.97 | 133.50 | 5.70 | 9.00 | 7.50 | 2.36 | 0 | 5 | 1.00-3.00 | -1.00D/-3.00D | |
70/28mm | 600 | 6.09 | 87.03 | 5.70 | 9.00 | 8.80 | 3.67 | 0 | 5 | 1.00-3.00 | +2.00D/-2.00D | |
70/28mm | 800 | 8.11 | 65.35 | 5.70 | 7.00 | 9.50 | 4.97 | 0 | 5 | 1.00-3.00 | +2.00D/+5.00D | |
1.56 S/F Curve Top Bifocal Lens | ||||||||||||
Material refractive index=1.542 | Tooling index=1.530 | |||||||||||
Diameter | Nominal | T.C. | Rad | Back | E.T. | C.T. | Sag | Seg | Seg | Add | Rx Range Recommended | |
Curve | Curve | Inset | Drop | Range | ||||||||
80/28mm | 200 | 2.02 | 262.38 | 5.70 | 16.00 | 10.00 | 1.19 | 5 | 5 | 1.00-3.00 | -2.00D/-5.00D | |
80/28mm | 400 | 3.92 | 135.20 | 5.70 | 9.00 | 6.00 | 2.33 | 5 | 5 | 1.00-3.00 | -1.00D/-3.00D | |
80/28mm | 600 | 6.06 | 87.46 | 5.70 | 9.00 | 9.50 | 3.65 | 5 | 5 | 1.00-3.00 | +2.00D/-2.00D | |
80/28mm | 800 | 8.05 | 65.84 | 5.70 | 7.00 | 11.50 | 4.93 | 5 | 5 | 1.00-3.00 | +2.00D/+5.00D | |
1.56 S/F Round Top Bifocal Lens | ||||||||||||
Material refractive index=1.542 | Tooling index=1.530 | |||||||||||
Diameter | Nominal | T.C. | Rad | Back | E.T. | C.T. | Sag | Seg | Seg | Add | Rx Range Recommended | |
Curve | Curve | Inset | Drop | Range | ||||||||
70/28mm | 200 | 2.00 | 265.00 | 5.70 | 10.00 | 5.80 | 1.18 | 0 | 5 | 1.00-3.00 | -2.00D/-5.00D | |
70/28mm | 400 | 3.94 | 134.52 | 5.70 | 9.00 | 7.00 | 2.34 | 0 | 5 | 1.00-3.00 | -1.00D/-3.00D | |
70/28mm | 600 | 6.00 | 88.33 | 5.70 | 9.00 | 9.50 | 3.61 | 0 | 5 | 1.00-3.00 | +2.00D/-2.00D | |
70/28mm | 800 | 8.00 | 66.25 | 5.70 | 7.00 | 9.50 | 4.90 | 0 | 5 | 1.00-3.00 | +2.00D/+5.00D |
1. Who are we?
We are based in Jiangsu, China, start from 2014, sell to South America(40.00%), Eastern Europe(35.00%), Mid East(25.00%). There are total about 11-50 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
LENSES, FRAMES
4. Why should you buy from us not from other suppliers?
We have the best sales and sevice team for lenses exporting, we have above 10 experience for all of kinds of lenses . We know the suitable quality of different market with best reasonable price.
5. What services can we provide?
Accepted Delivery Terms: FOB, CFR, CIF, EXW, Express Delivery;
Accepted Payment Currency: USD, EUR, CNY;
Accepted Payment Type: T/T, L/C;
Language Spoken: English, Chinese