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BK7 Meniscus Spherical Lenses

Categories Spherical Lenses
Sample Price: Depending on the products
Delivery Time: within few working days(depends on your quantity)
Place of Origin: china
Category: Eyeglasses Lenses
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    • Product Details
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    BK7 Meniscus Spherical Lenses

    Detailed Product Attribute
    Material : Glass
    Usage : Optical
    Structure : Other
    Shape : Spherical

     BK7 Meniscus Spherical Lenses        size and coating of the lenses can be customized according to users™ needs

      Specification

       Material

    Schott BK7

       Design Wavelength

    632.8nm

       Focal Length Tolerance

    ±1%

       Diameter Tolerance

    +0/-0.1mm

       Thickness Tolerance

    ±0.1mm

       Surface Accuracy

    λ/4@632.8nm

       Surface Quality

    40-20

       Centration

    <3 arc min

       Clear Aperture

    >90%

       Bevelling

    <0.2—45º

       Coating

    According to customers™ requirements

     

      

     

     

     

     

     

     BK7 Positive Meniscus Spherical Lenses

    Model

    Dia(mm)

    EFL(mm)

    BFL(mm)

    R1(mm)

    R2(mm)

    Tc (mm)

    Te(mm)

    01E25100

    25.40

    100.00

    96.19

    32.14

    82.20

    3.60

    2.00

    01E25125

    25.40

    125.00

    121.55

    40.60

    106.86

    3.30

    2.00

    01E25150

    25.40

    150.00

    146.78

    49.10

    131.81

    3.10

    2.00

    01E25200

    25.40

    200.00

    197.12

    66.20

    182.57

    2.80

    2.00

    01E25250

    25.40

    250.00

    247.35

    83.40

    234.19

    2.60

    2.00

    01E25300

    25.40

    300.00

    297.47

    100.90

    288.30

    2.50

    2.00

    01E25400

    25.40

    400.00

    397.61

    136.50

    402.03

    2.40

    2.00

    01E25500

    25.40

    500.00

    497.74

    172.90

    523.70

    2.30

    2.00

    01E251000

    25.40

    1000.00

    997.99

    371.60

    1331.26

    2.20

    2.00

    01E50100

    50.80

    100.00

    89.13

    30.34

    65.80

    9.70

    1.10

    Model

    Dia(mm)

    EFL(mm)

    BFL(mm)

    R1(mm)

    R2(mm)

    Tc (mm)

    Te(mm)

    01E50125

    50.80

    125.00

    116.11

    39.20

    93.08

    8.20

    2.40

    01E50150

    50.80

    150.00

    142.23

    47.90

    119.51

    7.30

    2.70

    BK7 Negative Meniscus Spherical Lenses

    Model

    Dia(mm)

    EFL(mm)

    BFL(mm)

    R1(mm)

    R2(mm)

    Tc(mm)

    Te(mm)

    01F20100

    25.40

    -100.00

    -103.03

    33.65

    100.00

    3.00

    4.70

    01F25125

    25.40

    -125.00

    -128.29

    38.77

    100.00

    3.00

    4.30

    01F25150

    25.40

    -150.00

    -153.55

    43.14

    100.00

    3.00

    4.10

    01F25200

    25.40

    -200.00

    -204.06

    50.23

    100.00

    3.00

    3.80

    01F25250

    25.40

    -250.00

    -254.58

    55.71

    100.00

    3.00

    3.70

    01F25300

    25.40

    -300.00

    -303.22

    95.11

    250.00

    3.00

    3.50

    01F25400

    25.40

    -400.00

    -403.63

    112.49

    250.00

    3.00

    3.40

    01F25500

    25.40

    -500.00

    -504.04

    126.34

    250.00

    3.00

    3.30

    01F251000

    25.40

    -1000.00

    -1004.03

    253.20

    500.00

    3.00

    3.20

    01F50100

    50.80

    -100.00

    -104.19

    40.61

    200.00

    5.00

    12.30

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