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Photochromic Lens In Mass

Number of views:
1000

1.56 SF Photochromic Round Segment (Grey/Brown) 70/28MM

Product Name: 1.553 Photochromic Lens
Material:Photochromic Oligomer
Refractive Index (25℃):1.548
UV Cut Off:380
Abbe Value:41
Specific Gravity (20℃):1.21
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Number of views:
1000
Product serial number
Quantity
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Product Details
Parameters

Tooling Index=1.530

Photochromic factor added into the monomer offers lens provide stable photochromic performance, long-lasting and various color option.
● 8 COLOR options
● Long-lasting
● Anti-glare
Diameter(mm) NominalCurve Truecurve RadiusofCurvature SAG40(mm) SAG50(mm) BackCurve C.T.(mm) E.T.(mm)
70mm 2.00 2.35 225.17 0.88 1.39 4.23 9.20 11.10
70mm 4.00 4.12 128.66 1.56 2.45 4.23 7.60 7.50
70mm 6.00 6.03 87.90 2.30 3.63 6.43 7.50 7.60
70mm 8.00 7.95 66.67 3.07 4.86 6.43 9.20 6.50

 

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