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Double Concave Lens

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Double Concave Lens
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Material:
BK7
Design Wavelength:
546.1nm,n=1.518721
Diameter Tolerance:
+0.0/-0.1mm
Paraxial Focal Length:
±2%
Centration:
3arcminutes
Surface Figure:
l/4@632.8nm
Surface Quality:
60/40
Clear Aperture:
>80%
Bevel:
<0.25mmX45°
Coating:
Uncoated
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B站不支持优惠卷

Moq: 1 Unit

Country Of Origin: China

Lead Time: 4weeks

Terms Of Delivery: Fob Fuzhou

Terms Of Payment: Net 30 Days By T/t


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Product Features

 

The Double Concave Lenses are made from BK7 material, which are manufactured with both surfaces concave. These lenses have negative focal lengths. These lenses diverge collimated incident light and form virtual images

01

which are seen through the lens. They are often used to expand light or increase focal lengths in existing systems. They are used in laser beam expanders

02

optical character readers, viewers, and projection systems. We will provide precision grade Double Concave Lenses with tighter manufacturing tolerances.

Product parameters

Double Concave Lens -BK7



 

Item#&phi;(mm)f(mm)R2=R2(mm)TcTeFb
BCV1-0016.0-15.015.202.101.514.30
BCV1-0026.0-30.030.831.791.529.42
BCV1-10112.7-15.014.654.892.013.27
BCV1-10212.7-20.020.044.072.018.62
BCV1-10312.7-25.025.353.622.023.82
BCV1-10412.7-30.030.553.332.028.89
BCV1-10512.7-40.041.022.992.039.04
BCV1-10612.7-50.051.402.792.049.08
BCV1-10712.7-75.077.452.522.074.24
BCV1-10812.7-100.0103.282.392.099.16
BCV1-20125.4-25.024.729.022.022.24
BCV1-20225.4-31.731.557.342.029.15
BCV1-20325.4-35.035.086.762.032.66
BCV1-20425.4-50.050.935.222.048.22
BCV1-20525.4-75.077.094.112.073.63
BCV1-20625.4-100.0103.043.572.098.73
BCV1-20725.4-125.0129.123.252.0123.92
BCV1-20825.4-150.0155.103.042.0149.00
BCV1-20925.4-175.0181.132.892.0174.12
BCV1-21025.4-200.0207.002.782.0199.07
BCV1-21125.4-250.0258.902.622.0249.12
BCV1-21225.4-300.0310.802.522.0299.17
BCV1-21325.4-500.0518.302.312.0499.21
BCV1-21425.4-1000.01037.102.162.0999.32
BCV1-30138.0-45.044.8710.442.041.46
BCV1-30238.0-50.049.9710.503.046.40
BCV1-30338.0-100.0102.576.553.097.78
BCV1-30438.0-150.0154.705.343.0148.23
BCV1-30538.0-200.0206.704.753.0198.46
BCV1-30638.0-350.0362.404.003.0348.66
BCV1-30738.0-500.0518.103.703.0498.79
BCV1-30838.0-700.0725.603.503.0698.84
BCV1-30940.0-63.564.428.271.960.70
BCV1-50150.0-100.0102.069.203.096.90
BCV1-50250.0-150.0154.277.103.0147.60
BCV1-50350.0-200.0206.286.003.0198.00
BCV1-50450.0-250.0258.225.403.0248.20
BCV1-50550.0-400.0413.874.503.0398.50
BCV1-50650.0-450.0465.734.303.0448.60
BCV1-50750.0-500.0517.584.203.0448.60
BCV1-50850.0-600.0621.284.003.0598.70
BCV1-50950.0-800.0828.643.83.0798.70

Double Concave Lens - Fused Silica



 

Item#&phi;(mm)f(mm)R1=R2(mm)TcTeFb
BCV2-0016.0-15.014.031.52.1515.50
BCV2-0026.0-30.027.841.51.8230.51
BCV2-10112.7-15.014.112.05.0215.67
BCV2-10212.7-20.018.712.04.2220.67
BCV2-10312.7-25.023.322.03.7625.68
BCV2-10412.7-30.027.922.03.4630.68
BCV2-10512.7-40.037.122.03.0940.68
BCV2-20125.4-25.023.322.09.5225.68
BCV2-20225.4-35.032.522.07.1735.68
BCV2-20325.4-50.046.322.05.5550.68
BCV2-20425.4-75.069.332.04.3575.69
BCV2-20525.4-100.092.332.03.76100.68
BCV2-20625.4-150.0138.342.03.17150.68
BCV2-20725.4-200.0184.352.02.88200.69
BCV2-20825.4-250.0230.362.02.70250.69
BCV2-20925.4-300.0276.362.02.58300.68
BCV2-21025.4-500.0460.402.02.35500.69
BCV2-21125.4-1000.0920.482.02.181000.69
BCV2-30138.0-50.046.483.011.1251.02
BCV2-30238.0-100.092.493.06.95101.03
BCV2-30338.0-150.0138.503.05.62151.03
BCV2-30438.0-200.0184.503.04.96201.02
BCV2-30538.0-350.0322.533.04.13351.03
BCV2-30638.0-500.0460.553.03.78501.02
BCV2-30738.0-750.0690.593.03.52751.02
BCV2-30838.0-1000.0920.643.03.391001.04

Product Message

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