1.60 SEMI-FINISHED SINGLE VISION POLARIZED LENSES
1601-SF (Spherical)
| BASE CURVE | DIAMETER | TRUE CURVE | SAG | BACK CURVE | CENTER THICKNESS | EDGE THICKNESS | RADIUS |
|---|---|---|---|---|---|---|---|
| 0.50 | 70 mm | 0.51 | 0.306 | 3.47 | 11.8 mm (+/-0.1) | 15.0 mm (+/-0.1) | 1021.39 |
| 2.00 | 75 mm | 2.22 | 1.313 | 4.35 | 10.0 mm (+/-0.1) | 13.0 mm (+/-0.1) | 238.66 |
| 4.00 | 75 mm | 4.26 | 2.541 | 5.73 | 10.0 mm (+/-0.1) | 12.0 mm (+/-0.1) | 124.25 |
| 6.00 | 75 mm | 5.11 | 3.056 | 4.35 | 9.2 mm (+/-0.1) | 8.0 mm (+/-0.1) | 103.77 |
| 8.00 | 75 mm | 8.32 | 5.116 | 5.83 | 10.6 mm (+/-0.1) | 8.0 mm (+/-0.1) | 63.64 |
| Color | Visual Transmittance (550 nm) | Polarization | |
|---|---|---|---|
| Gray-A |  |
30% | 90% |
| Brown-A |  |
30% | 90% |
| Gray-C |  |
15% | 99% |
| Brown-C |  |
15% | 97% |
| Refractive Index | 1.594 Nd | |
|---|---|---|
| Abbe | 42 | |
| Density | 1.30 | |
| UV Avsorbing Rate at 400 nm | 100 % | |
| Grass Transition Point (C) | 118 | |
| Polarizing Film is inserted on | 0.5 – 0.8 mm from front surface | |
| Tinting | OK | |
| Scratch Resistant Coating | OK | |
| Anti Reflective Coating | OK | |
| Power Range at Main Meridian |
CX Curve |
(D) |
| 0.50 | -10.00 to- 6.25 | |
| 2.00 | -6.00 to -3.25 | |
| 4.00 | -3.00 to 0.00 | |
| 6.00 | +0.25 to +3.00 | |
| 8.00 | +3.25 to +6.00 | |
- Blocks 100% UV B & 100% UV A
- American National Standard ANSI Z80.3-1996 = PASS
- European Standard EN 1836-1997 = PASS
- Australian/New Zealand Standard AS/NZS 1067-2003 = PASS
- Our lenses are all produced with Japanese lens material in Japan.
