Photochromic Lens In Mass
Number of views:
1000
1.56 SF Photochromic Progressive(13+3 Corridor)(Grey) with blue cut 75MM
Category
Category：Blue cut series
Material:Photochromic Oligomer
Refractive Index (25℃):1.548
UV Cut Off:420
Abbe Value:41
Specific Gravity (20℃):1.21
Retail price
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Market price
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Number of views:
1000
Product serial number
Quantity
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+
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Product Details
Parameters
The anti blue light factor added in the lens effectively block harmful blue light.
● Long-lasting
● UV protect
● Blue cut
● Anti-Glare
Tooling Index=1.530
| Diameter(mm) | NominalCurve | Truecurve | RadiusofCurvature | SAG40(mm) | SAG50(mm) | BackCurve | C.T.(mm) | E.T.(mm) |
| 75mm | 2.00 | 1.98 | 267.68 | 0.75 | 1.17 | 5.75 | 6.5 | 11.00 |
| 75mm | 4.00 | 4.62 | 114.72 | 1.76 | 2.76 | 5.75 | 5.8 | 6.80 |
| 75mm | 5.00 | 5.86 | 90.44 | 2.24 | 3.52 | 5.75 | 8.5 | 7.70 |
| 75mm | 7.00 | 7.76 | 68.30 | 2.99 | 4.74 | 5.75 | 11.2 | 6.70 |
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