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Yacool
Lens System |
1.499
Index(CR-39) Common Many focusses Resin Lens |
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Flat
top Bifocal(Right eye) |
Size of lens |
72mm |
Additions |
1.00゛3.500(0.25Add) |
Segment Size |
28mm |
Segment Placement from GC |
left and right 5mm below 5mm |
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Tplerances |
Refractive index
windage |
1.503 |
Optical precision
|
0.07 |
scratchability |
0.7% |
Color dispel Date |
56.2 |
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Choice
of appendant |
AR、Hard、Hard
and coating、
UV、hertzian Waves |
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