49-343 18 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 18 mm
- EFL
- 50 mm
- R1
- 27.12 mm
- R2
- -25.66 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
49-343 18 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm
The 49-343 is an 18 mm diameter achromatic doublet lens, designed and manufactured by Edmund Optics. This lens is specifically engineered for use in the visible (VIS) and near-infrared (NIR) spectrum, with a wavelength range of 400-1000nm.
The lens features a focal length (EFL) of 50mm, making it suitable for a wide range of optical applications. The doublet design, which combines two different types of glass, helps to reduce chromatic aberration, ensuring sharp, clear images across the entire spectral range.
The lens is constructed from N-SSK8 and N-SF10 Schott glass, which are known for their excellent optical properties. The front and back surfaces of the lens are coated with Edmund Optics' VIS-NIR coating (edm visnir0sp2002000), which further enhances its performance in the VIS-NIR spectrum.
The lens has a thickness of 5.69mm at the edge and 5mm at the center, with an inner radius of 0mm and an outer radius of 0mm. The center thickness 'a' is 2.3mm. The lens's geometry is circular, with a radius 'r1' of 27.12mm, 'r2' of -25.66mm, and 'r3' of -538.7mm.
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