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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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Fused
Silica Double-Concave Lenses
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Specifications:
Material:
UV Grade Fused Silica
Design Wavelength: 546.1nm
Design Index: 1.46008¡À
0.00005
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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tc
(mm)
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te
(mm)
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fb
(mm)
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DV0201
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-15.0
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12.7
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14.11
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2.0
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5.0
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-15.7
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DV0202
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-20.0
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12.7
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18.71
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2.0
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4.2
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-20.7
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DV0203
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-25.0
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12.7
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23.32
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2.0
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3.7
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-25.7
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DV0204
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-30.0
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12.7
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27.92
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2.0
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3.5
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-30.7
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DV0205
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-40.0
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12.7
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37.12
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2.0
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3.1
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-40.7
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DV0206
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-25.0
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25.4
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23.32
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2.0
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9.5
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-25.7
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DV0207
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-35.0
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25.4
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32.52
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2.0
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7.2
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-35.7
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DV0208
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-50.0
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25.4
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46.32
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2.0
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5.6
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-50.7
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DV0209
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-75.0
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25.4
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69.33
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2.0
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4.3
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-75.7
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DV0210
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-100.0
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25.4
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92.33
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2.0
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3.8
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-100.7
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DV0211
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-150.0
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25.4
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138.34
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2.0
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3.2
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-150.7
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DV0212
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-200.0
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25.4
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184.35
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2.0
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2.9
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-200.7
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DV0213
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-250.0
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25.4
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230.36
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2.0
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2.7
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-250.7
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DV0214
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-300.0
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25.4
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276.36
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2.0
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2.6
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-300.7
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DV0215
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-500.0
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25.4
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460.40
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2.0
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2.4
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-500.7
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DV0216
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-1000.0
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25.4
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920.48
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2.0
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2.2
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-1000.7
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DV0217
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-50.0
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38.0
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46.48
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3.0
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11.1
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-51.0
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DV0218
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-100.0
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38.0
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92.49
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3.0
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6.9
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-101.0
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DV0219
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-150.0
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38.0
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138.50
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3.0
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5.6
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-151.0
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DV0220
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-200.0
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38.0
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184.50
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3.0
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5.0
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-201.0
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DV0221
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-350.0
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38.0
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322.53
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3.0
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4.1
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-351.0
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DV0222
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-500.0
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38.0
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460.55
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3.0
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3.8
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-501.0
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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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