49-381-INK 40 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=120mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 120 mm
- R1
- 65.22 mm
- R2
- -62.03 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-SF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7336618876174243
- λ
- 550 nm
- B1
- 1.62153902
- C1
- 0.0122241457 μm2
- B2
- 0.256287842
- C2
- 0.0595736775 μm2
- B3
- 1.64447552
- C3
- 147.468793 μm2
49-381-INK 40 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=120mm VIS-NIR 400-1000nm
The 49-381-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 40 mm, is designed for use in the visible (VIS) and near-infrared (NIR) spectrum, specifically catering to the wavelength range of 400-1000nm.
The lens is constructed from two types of Schott glass, N-SSK8 and N-SF10, which are renowned for their excellent optical properties. The use of these materials ensures high-quality imaging and minimal chromatic aberration. The lens has an effective focal length (EFL) of 120mm, making it suitable for a variety of optical applications.
The 49-381-INK features a sophisticated geometry, with a thickness at the edge of 10.51mm and a center thickness of 9.6mm. The lens also has a central thickness 'a' of 4.2mm. The inner and outer radii of the lens are 0mm, indicating a symmetrical design.
The lens is coated with Edmund Optics' VIS-NIR0SP2002000 coating on both the front and back surfaces. This coating enhances the lens's performance in the VIS-NIR spectrum, providing improved transmission and durability.
The 49-381-INK is currently in stock and available for immediate purchase. For more information, including detailed specifications and purchasing options, please refer to the provided weblink.
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