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Photochromic Lens In Mass

Number of views:
1000

1.56 SF Photochromic Progressive(12+2MM Corridor) (Grey) with blue cut 70MM

Product Name: 1.553 Photochromic Lens (12+2 corridor)
Material:Photochromic Oligomer
Refractive Index (25℃):1.548
UV Cut Off:420
Abbe Value:41
Specific Gravity (20℃):1.21
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Number of views:
1000
Product serial number
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Product Details
Parameters

Tooling Index=1.530

The anti blue light factor added in the lens effectively block harmful blue light.

● Long-lasting
● UV protect
● Blue cut
● Anti-Glare
 

Diameter(mm) NominalCurve Truecurve RadiusofCurvature SAG40(mm) SAG50(mm) BackCurve C.T.(mm) E.T.(mm)
70mm 1.00 1.41 375.88 0.53 0.83 5.72 6.50 11.20
70mm 3.00 3.47 152.74 1.32 2.06 5.72 5.80 8.00
70mm 5.00 5.77 91.85 2.20 3.47 5.72 8.50 8.00
70mm 7.00 7.80 67.95 3.01 4.77 5.72 11.20 7.50

 

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