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    CUSTOM OPTICS
     
     
     
     
       
       
       

    Meniscus Glass Lenses
    Product Information :

    Meniscus lenses are employed to greatest advantage to they are used to shorten the length the focal length of a doublet or a plano-convex lens already working at an infinite conjugate ratio.

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    Specifications

    Material

    Sapphire, Silicon, Gemanium

    Radius

    R≥3.0

    Surface Finish

    N<3,△N≥λ/4

    Centration

    ≥1’

    Diameter

    ≥3.0 ±0.01mm

    T/D

    1/10

    Surface Quality

    20/10

    Bevel

    0.25mm at 45 deg

    Coating

    Single or Multi-layer films

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    Specifications

    Material

    Fused Silica, Quartz & optical Glass

    Radius

    R≥1.5

    Surface Finish

    N<2,△N≥λ/8

    Centration

    ≥1’

    Diameter

    ≥3.0 ±0.01mm

    T/D

    1/10

    Surface Quality

    20/10

    Bevel

    0.25mm at 45 deg

    Coating

    Single or Multi-layer films


       
       
     
    Fuzhou Farview Optics Co.,Ltd. All rights reserved.
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