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    Specifications:
    Design Wavelength:-----------------------------480.0,546.1,643.8nm
    Diameter Tolerance:---------------------------+0.0/-0.15mm
    Focal Length Tolerance (mm):--------------+/-2%
    Centration:-----------------------------------------<3 arc minutes
    Clear Aperture:------------------------------------>85%
    Surface Figure (per 25mm@632.8nm)----<1.5λ
    IRR ( @632.8nm)----------------------------------<λ/4
    Surface Quality:-------------------------------------60/40
    Protected Bevel:-------------------------------------<0.25mmx45deg
    Coating:-----------------------------------------------1/4 wave MgF2@550nm
     

      

    Negative Achromatic Lenses

    Part No.
    f (mm)
    dia (mm) R1 (mm) R2 =R3(mm) R4 (mm) Tc1 (mm) Tc2 (mm) fb (mm) Lens A Lens B
    ALN0201-25.012.7-15.613.0944.163.02.67-27.5BK7F2
    ALN0202-40.012.7-24.4517.9766.63.02.34-42.5BK7F2
    ALN0301-50.025.4-31.1924.8985.313.04.22-53.3BK7F2

    Positive Achromatic Lens

    Part No.
    f(mm)
    dia (mm)
    R1(mm)
    R2=R3
    (mm)
    R4(mm)
    Tc1
    (mm)
    Tc2
    (mm)
    Fb
    (mm)
    Lens A
    Lens B
    ALP010115.06.08.831-6.546-19.772.71113.066BK7SF5
    ALP010220.06.012.356-8.511-24.382.6118.288BK7SF5
    ALP010325.06.015.704-10.666-29.992.3123.455BK7SF5
    ALP010430.06.018.88-12.942-36.481.9128.695BK7SF5
    ALP010525.08.015.596-10.814-30.482.9123.125BK7SF5
    ALP010630.08.018.88-12.882-36.222.7128.277BK7SF5
    ALP010720.010.012.3-9.02-25.233.6117.625BK7SF5
    ALP020125.012.015.346-11.35-31.924.21.322.286BK7SF5
    ALP020225.012.715.596-11.402-31.054.31.322.251BK7SF5
    ALP020330.012.718.535-13.49-37.8441.327.36BK7SF5
    ALP020440.012.725.23-17.539-48.753.41.337.778BK7SF5
    ALP020550.012.731.26-21.93-62.373.11.347.992BK7SF5
    ALP020660.012.737.33-26.42-75.862.81.358.127BK7SF5
    ALP020775.012.746.77-32.96-94.622.61.373.227BK7SF5
    ALP020865.020.040.09-29.58-83.596.3260.868BK7SF5
    ALP030160.025.437.33-27.16-75.867255.565BK7SF5
    ALP0302120.025.473.28-54.33-159.964.22117.103BK7SF5

     

    Achromatic Lens


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