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Edmund Optics
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34-641 25.4 mm Dia. N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-25 mm NIR II 750-1550nm
Type
Lens
Subtype
Cylindrical Lens (Plano-Concave)
Brand
Edmund Optics
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Properties
Shape
Circular
Diameter
25.4 mm
EFL
-25 mm
BFL
-26.98 mm
R1
-12.92 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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