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BK7,          Fused Silica,         CaF2,         Sapphire,         MgF2

BK7 Windows

 

Main Specifications:
    Material:
    BK7 grade A optical glass
    Diameter Tolerance:
    +0.0, -0.1mm
    Thickness Tolerance:
    0.2mm
    Clear Aperture:
    >80%
    Surface Quality:
    20-10 scratch and dig
    Wavefront Distortion:
    ¦Ë/10 per 25mm
    Protective Bevel
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Tel: (86) 021-58325141, Fax: (86) 021-58329412