product

CB Layer Coating

Number of views:
1000

1.499 SP CB Layer Coat SF Photochromic Single Vision (Grey/Brown) 70MM

Material: CR-39
Refractive Index (25℃): 1.501
UV Cut Off: 360
Abbe Value: 58
Specific Gravity (20℃): 1.32
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Number of views:
1000
Product serial number
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Product Details
Parameters

Tooling Index=1.530

Diameter(mm) NominalCurve Truecurve RadiusofCurvature SAG40(mm) SAG50(mm) BackCurve C.T.(mm) E.T.(mm)
70mm 0.50 0.41 1292.68 0.15 0.24 5.09 9.2 15
70mm 2.00 2.04 259.80 0.77 1.20 5.63 8.6 13.3
70mm 4.00 4.24 125.00 1.61 2.53 5.63 8.0 10.0
70mm 5.00 5.56 95.32 2.12 3.33 5.63 8.0 8.0
70mm 6.00 6.35 83.46 2.43 3.83 7.10 10.0 11.0
70mm 8.00 8.62 61.48 3.34 5.31 7.08 10.0 7.5
75mm 0.50 0.06 8833.33 0.02 0.04 2.98 13.0 16.8
75mm 2.50 2.08 254.81 0.79 1.23 3.00 15.8 16.95
75mm 4.00 3.49 151.86 1.32 2.07 6.18 11.5 14.95
75mm 6.00 5.73 92.50 2.19 3.44 6.23 8.9 8.95
75mm 8.00 7.78 68.12 3.00 4.75 6.20 12.4 9.8

 

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