49-947-INK 5 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=12.5mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 5 mm
- EFL
- 12.5 mm
- R1
- 8.57 mm
- R2
- -6.22 mm
Material 1
- Name
- N-SSK8
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6203679865890697
- λ
- 550 nm
- B1
- 1.44857867
- C1
- 0.00869310149 μm2
- B2
- 0.117965926
- C2
- 0.0421566593 μm2
- B3
- 1.06937528
- C3
- 111.300666 μm2
Material 2
- Name
- N-SF56
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.791037231451858
- λ
- 550 nm
- B1
- 1.73562085
- C1
- 0.0129624742 μm2
- B2
- 0.317487012
- C2
- 0.0612884288 μm2
- B3
- 1.95398203
- C3
- 161.559441 μm2
49-947-INK 5 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=12.5mm VIS-NIR 400-1000nm
The 49-947-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 5 mm, is specifically designed for use in the visible (VIS) and near-infrared (NIR) spectrum, spanning 400-1000nm.
The lens features a focal length (EFL) of 12.5mm, making it suitable for applications that require a compact, high-performance optical component. The lens is constructed from two types of Schott glass, N-SSK8 and N-SF56, which are renowned for their excellent optical properties.
The lens's geometry is meticulously designed, with a thickness at the edge of 2.78mm and a center thickness of 2.3mm. The lens's inner and outer radii are 0mm, indicating a planar surface. The lens's first radius of curvature (R1) is 8.57mm, while the second radius (R2) is -6.22mm, and the third radius (R3) is -21.36mm.
The lens is coated with Edmund Optics' VIS-NIR-0SP2002000 coating on both the front and back surfaces, enhancing its performance in the VIS-NIR spectrum. The lens is currently in stock and available for immediate shipping, as indicated by its weblink status.
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