69-831 6.25 mm Dia. N-BK7 Illumination Grade Plano-Concave Cylindrical Lens; EFL=-12.5 mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Cylindrical Lens (Plano-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 6.25 mm
- EFL
- -12.5 mm
- BFL
- -13.46 mm
- R1
- -6.48 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
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