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    • 雙凸透鏡
     
    雙凸透鏡

     

    The Double Convex Lenses present an identical convex surface on both sides of the lens. They have a positive focal length and are useful for 1:1 imaging and in multielement systems.

    Specifications:
    Material:----------------------------------------------N-BK7, Fused Silica, N-SF10, Silicon, Ge,CaF2, etc.
    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:---------------------------------------------uncoated, AR, HR, PR Coating, etc.

    N-BK7 Double Convex Lens
    Design wavelength: 546.1nm Design Index:1.5183 ± 0.0005

    Part No.
    f (mm)
    dia (mm)
    R1=R2 (mm)
    t c (mm)
    t e (mm)
    F b (mm)
    Illustration
    DCX1201
    20.0
    12.7
    20.01
    4.0
    2.0
    18.6
     
    DCX1202
    25.0
    12.7
    25.28
    3.6
    2.0
    23.8
    DCX1203
    30.0
    12.7
    30.52
    3.3
    2.0
    28.9
    DCX1204
    40.0
    12.7
    40.95
    3.0
    2.0
    39.0
    DCX1301
    25.4
    25.4
    24.71
    9.0
    2.0
    22.2
    DCX1314
    35.0
    25.4
    35.09
    6.8
    2.0
    32.8
    DCX1315
    40.0
    25.4
    40.40
    6.1
    2.0
    37.9
    DCX1302
    50.0
    25.4
    50.92
    5.2
    2.0
    48.3
    DCX1316
    60.0
    25.4
    61.40
    4.7
    2.0
    58.5
    DCX1303
    75.0
    25.4
    77.04
    4.1
    2.0
    73.6
    DCX1304
    100.0
    25.4
    103.05
    3.6
    2.0
    98.8
    DCX1305
    125.0
    25.4
    129.02
    3.3
    2.0
    123.9
    DCX1306
    150.0
    25.4
    154.97
    3.0
    2.0
    149.0
    DCX1307
    200.0
    25.4
    206.84
    2.8
    2.0
    199.0
    DCX1308
    250.0
    25.4
    258.70
    2.6
    2.0
    249.1
    DCX1309
    300.0
    25.4
    310.55
    2.5
    2.0
    299.2
    DCX1310
    400.0
    25.4
    413.80
    2.4
    2.0
    399.0
    DCX1311
    500.0
    25.4
    517.91
    2.3
    2.0
    499.2
    DCX1312
    750.0
    25.4
    774.30
    2.3
    2.0
    748.8
    DCX1313
    1000.0
    25.4
    1036.23
    2.2
    2.0
    999.3

    Fused silica Double Convex Lens
    Design wavelength: 546.1nm Design Index:1.46008

    Part No.
    F (mm)
    f(mm)
    R1=R2(mm)
    Tc
    Te
    Fb
    Illustration
    BCX2001
    6.0
    15.0
    13.46
    2.18
    1.5
    14.24
     
     
     
     
     
     
     
     
     
     
     
     
    BCX2002
    6.0
    30.0
    27.29
    1.83
    1.5
    29.34
    BCX2101
    12.7
    15.0
    12.91
    5.34
    2.0
    13.05
    BCX2102
    12.7
    20.0
    17.70
    4.36
    2.0
    18.46
    BCX2103
    12.7
    25.0
    22.39
    3.84
    2.0
    23.66
    BCX2104
    12.7
    30.0
    27.04
    3.51
    2.0
    28.77
    BCX2105
    12.7
    40.0
    36.31
    3.12
    2.0
    38.92
    BCX2201
    25.4
    25.0
    21.23
    10.11
    2.0
    21.14
    BCX2202
    35.4
    35.0
    30.97
    7.45
    2.0
    32.33
    BCX2203
    25.4
    50.0
    45.08
    5.65
    2.0
    48.01
    BCX2204
    25.4
    75.0
    68.23
    4.39
    2.0
    73.39
    BCX2205
    25.4
    100.0
    91.41
    3.77
    2.0
    98.69
    BCX2206
    25.4
    150.0
    137.50
    3.18
    2.0
    148.89
    BCX2207
    25.4
    200.0
    183.65
    2.88
    2.0
    199.09
    BCX2208
    25.4
    250.0
    229.60
    2.70
    2.0
    249.06
    BCX2209
    25.4
    300.0
    275.60
    2.59
    2.0
    299.07
    BCX2210
    25.4
    500.0
    459.7
    2.35
    2.0
    499.19
    BCX2211
    25.4
    1000.0
    919.8
    2.18
    2.0
    999.24
    BCX2401
    38.0
    50.0
    44.06
    11.61
    3.0
    45.81
    BCX2402
    38.0
    100.0
    90.99
    7.01
    3.0
    97.67
    BCX2403
    38.0
    150.0
    137.09
    5.65
    3.0
    148.01
    BCX2404
    38.0
    200.0
    183.23
    4.98
    3.0
    198.27
    BCX2405
    38.0
    350.0
    321.40
    4.12
    3.0
    348.58
    BCX2406
    38.0
    500.0
    459.50
    3.79
    3.0
    498.72
    BCX2407
    38.0
    750.0
    689.50
    3.52
    3.0
    748.73
    BCX2408
    38.0
    1000.0
    919.60
    3.39
    3.0
    998.82

     

    Note: Other sizes, material are available upon request.
    The ones with Silicon, Ge,CaF2 material pls kindly refer to IR OPTICS section.


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