69-721 12.5 x 25 mm N-BK7 Illumination Grade Plano-Convex Cylindrical Lens; EFL=20 mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Cylindrical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Rectangular
- EFL
- 20 mm
- BFL
- 17.63 mm
- R1
- 10.34 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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