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Window Round Lenses
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Window
Round Lenses :
Material:BK7 grade A optical glass Diameter(Dia):+-0.1mm
Center Thickness(TC):+-0.2mm
Surface Quality:60-40 scratch-dig
Surface Flatness:1/10 wave @632.8 or 1/10 wave @632.8 each inch
Paralleelism:1 arcmin
Clear Aperture:90% of diameter
All dimentions
are in millimeters.
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Windows Lenses Code and No >>> |
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