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49-343-INK 18 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm

49-343-INK 18 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm

Type
Lens
Subtype
Multiplets
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

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-INK 18 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm

The 49-343-INK is an 18 mm diameter achromatic doublet lens, designed for use in the visible to near-infrared spectrum (400-1000nm). This lens is sourced from Edmund Optics, a leading provider of optical components. The lens is part of their multiplet series, featuring a complex design to optimize performance.

The lens is constructed from two types of Schott glass, N-SSK8 and N-SF10, which are renowned for their high-quality optical properties. The front and back surfaces of the lens are coated with the EDM VIS-NIR 0SP2002000 coating, which is specifically designed for use in the visible to near-infrared spectrum. This coating enhances the lens's transmission and reduces reflection, improving its overall performance.

The lens has an effective focal length (EFL) of 50mm, making it suitable for a wide range of applications. The geometry of the lens includes a thickness of 5.69mm at the edge, a center thickness of 5mm, and a center thickness 'a' of 2.3mm. The lens's inner and outer radii are 0, indicating a circular shape. The lens's first and second radii of curvature are 27.12mm and -25.66mm, respectively, while the third radius of curvature is -538.7mm.

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