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Precision
Optics
Introduce
Windows
Lenses
Plano-Convex
Lenses
Double-Convex
Lenses
Plano-Concave
Lenses
Double-Concave
Lenses
Meniscus
Lenses
Cylindrical
Lenses
Achromatic
Lenses
Ring
Mount for Lenses
Prisms
Waveplates
Beamsplitters
Filters
Laser
Optics
Coloured
Optical Glass
IR
Materials
Coating
Custom
Optics
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BK7
Positive Meniscus Lenses
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Specifications:
Material:
BK7
Grade A Optical Glass
Design Wavelength: 546.1nm
Design Index: 1.5183 ¡À0.0005
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length: ¡À2%
Centration: 3 arc minutes
Clear Aperture: >80%
Surface Figure: l/4@632.8nm
Surface Quality: 60-40 scratch and dig
Bevel: 0.25 mm x 45¡ã
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Part
No.
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f
(mm)
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f
(mm)
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R1
(mm)
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R2
(mm)
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tc
(mm)
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te
(mm)
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fb
(mm)
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MP0101
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100.0
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25.4
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33.72
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90.00
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4.0
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2.5
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97.5
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MP0102
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125.0
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25.4
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38.47
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90.00
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4.0
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2.8
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121.8
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MP0103
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150.0
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25.4
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42.52
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90.00
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4.0
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3.0
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146.3
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MP0104
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175.0
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25.4
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46.05
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90.00
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4.0
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3.1
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171.2
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MP0105
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200.0
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25.4
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49.03
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90.00
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3.5
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2.8
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197.0
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MP0106
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250.0
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25.4
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83.96
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235.00
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3.5
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2.9
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246.5
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MP0107
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300.0
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25.4
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94.08
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235.00
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3.5
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3.0
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296.3
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MP0108
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350.0
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25.4
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102.90
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235.00
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3.5
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3.1
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346.0
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MP0109
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400.0
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25.4
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110.72
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235.00
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3.5
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3.1
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395.8
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MP0110
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500.0
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25.4
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123.90
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235.00
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3.5
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3.2
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495.4
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MP0111
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600.0
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25.4
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204.95
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600.00
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3.5
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3.2
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595.3
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MP0112
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800.0
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25.4
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245.39
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600.00
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3.5
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3.3
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794.5
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MP0113
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1000.0
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25.4
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278.34
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600.00
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3.5
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3.3
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993.7
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MP0114
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1500.0
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25.4
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339.05
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600.00
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3.5
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3.4
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1492.0
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MP0115
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2000.0
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25.4
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380.54
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600.00
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3.5
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3.4
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1990.2
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MP0116
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4000.0
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25.4
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466.12
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600.00
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3.5
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3.5
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3984.5
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Please
refer to the Material
Chapter for more information about BK7 glass, UV grade
fused silica, Sapphire and CaF2. |
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Please
refer to
the Glossary
and Technology
for more information about lenses. |
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Please
refer to Coating
Chapter for more infomation of coating. |
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Other
sizes and coatings are available upon request. |
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lPlease
refer to Ring
Mount for Lenses |
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