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49-948 6.25 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=7.5mm VIS-NIR 400-1000nm

49-948 6.25 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=7.5mm VIS-NIR 400-1000nm

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

Properties

Shape
Circular
Diameter
6.25 mm
EFL
7.5 mm
R1
5.6 mm
R2
-3.71 mm

Material 1

Name
N-BAF10
Dispersion Equation
Sellmeier
n (λ)
1.6730569473646495
λ
550 nm
B1
1.5851495
C1
0.00926681282 μm2
B2
0.143559385
C2
0.0424489805 μm2
B3
1.08521269
C3
105.613573 μm2

Material 2

Name
N-SF57
Dispersion Equation
Sellmeier
n (λ)
1.854148364121864
λ
550 nm
B1
1.87543831
C1
0.0141749518 μm2
B2
0.37375749
C2
0.0640509927 μm2
B3
2.30001797
C3
177.389795 μm2

49-948 6.25 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=7.5mm VIS-NIR 400-1000nm

The 49-948 is a high-quality achromatic doublet lens, boasting a 6.25 mm diameter and a focal length of 7.5 mm, specifically designed for the visual and near-infrared spectrum (VIS-NIR 400-1000nm). This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase on their official website.

The lens is constructed from two types of Schott glass, N-BAF10 and N-SF57, which are carefully selected to minimize chromatic aberration, a common issue in optical systems. The geometry of the lens is meticulously designed, with an inner radius of 0 mm, an outer radius of 0 mm, and a center thickness of 5 mm. The edge thickness is 4.61 mm, and the lens features a front and back coating of EDMM VISNIR0SP2002000, ensuring optimal performance and durability.

The 49-948 is a multiplet lens, meaning it is composed of multiple elements. This design allows for superior optical performance, making it suitable for a wide range of applications. The lens is available in stock, ready for immediate use in your optical system.

For more detailed specifications and purchasing information, please refer to the official Edmund Optics website using the provided weblink.

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