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 SF-INDEX 1.49 SPheric Lens
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 - Material: Index 1.49 Resin (N=1.499, Abbe Value=58)
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SF-1.49 Spheric-(Made By CR-39)
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Curve
True-Curve
Back-CurveSag 50mmRadiusC.T(mm)E.T(mm) DIA(mm)
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0.50 K0,00 5,60 0,00 0,00 9,3 16,0 70
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1.00 K1,54 5,60 0,91 342,46 11,0 16,0 70
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2.00 K2,14 5,60 1,27 247,00 11,8 16,0 70
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4.00 K3,62 5,60 2,18 144,22 10,6 13,0 70
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5.00 K4,75 5,60 2,84 111,38 12,0 13,0 70
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6.00 K5,93 5,60 3,57 89,43 8,0 7,5 70
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7.00 K6,97 5,60 4,22 76,07 9,3 7,5 70
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8.00 K8,00 5,60 4,90 66,18 10,8 7,5 70
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9.00 K9,04 5,60 5,60 58,64 12,4 7,5 70
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10.00 K9,99 5,60 6,26 53,03 13,0 7,5 70
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                * C.T = CENTER THICKNESS +1.0mm , -0.5 mm   
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                * E.T = EDGE THICKNESS ± 0.5 mm
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                * TRUE CURVE ± 0.05            ( Measured by Coburn 50mm Seg gauge )
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                * DIAMETER RANGE:        75 mm  + 0.2 mm  - 0.4 mm
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                                         70 mm + 0.2 mm  - 0.4 mm
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