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Edmund Optics
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34-639 12.7 mm Dia. N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-50 mm NIR II 750-1550nm
Type
Lens
Subtype
Cylindrical Lens (Plano-Concave)
Brand
Edmund Optics
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Properties
Shape
Circular
Diameter
12.7 mm
EFL
-50 mm
BFL
-51.32 mm
R1
-25.84 mm
Material
Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167984379050088
λ
587.6 nm
B1
1.03961212
C1
0.00600069867 μm
2
B2
0.231792344
C2
0.0200179144 μm
2
B3
1.01046945
C3
103.560653 μm
2
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