BIFOCAL LENSES
1.499 Bifocal Lens
Material: NK-55
Abbe value: 35
Transmission: Over 96.5%
Specific Gravity: 1.28
Diameter: 65/28mm (F), 70/28mm (SF)
Available: Flat Top, Round Top, Blended Top
Non-coating, hard-coating, multi-coating
| 1.499 Bifocal Semi-finished Lens |
| Base | 50 | 200 | 400 | 600 | 700 | 800 | 1000 | 1200 | 1400 | Add available: |
| 1.00~3.50 |
| Flat Top | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Round Top | | √ | √ | √ | | √ | | | | |
| Blended Top | | √ | √ | √ | | √ | | | | |
| 1.499 Bifocal Finished Lens |
| Power range | 0.00~-200 | 0.00~+300 | Add available: |
| 1.00~3.50 |
| Flat Top | √ | √ |
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| Round Top | √ | √ |
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| Blended Top | √ | √ |
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1.56 Bifocal lens
1. Flat-top
2.Round-top
3.Blended-top
Finished lens:
Power range: -2.00~+3.00 add:+1.00~+3.00
D: 70/28mm
Semi-Finished lens:
Base: 200, 400, 500, 600, 800 add: +1.00~+3.50
D: 70/28mm
Coating:
UC/HC/HMC/SHMC/CHMC
| 1.61 S/F FLAT TOP BIFOCAL LENS |
| Material | KR 60T |
| MR-8 |
| Manufactory | KOC (Korea) |
| Mitsui (Japan) |
| Refractive Index (25℃) | n(d)=1.591; n(e)=1.597 |
| n(d)=1.594; n(e)=1.597 |
| Abbe Value | 32 |
| 41 |
| Specific Gravity (20℃) | 1.3 |
| 1.3 |
| Diameter: 70/28mm |
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| Lenses Color: White, Grey, Brown |
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| Available: Spherical, Aspherical |
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| Non-coating, hard-coating, multi-coating |
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| Add available: +1.00~+3.50 |
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| Base: 50, 200, 400, 600, 800 |
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