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49-947-INK 5 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=12.5mm VIS-NIR 400-1000nm

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
Product webpage
Edmund Optics products in the 3DOptix catalog

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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