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45-909 50mm Dia. x 250mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm

45-909 50mm Dia. x 250mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm

Type
Lens
Subtype
Spherical Lens (Convex-Convex)
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
50 mm
EFL
250 mm
BFL
248.37 mm
R1
257.57 mm
R2
-257.57 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167984379050088
λ
587.6 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

45-909 50mm Dia. x 250mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm

The 45-909 is a high-quality double-convex lens, boasting a 50mm diameter and a focal length of 250mm. This lens is designed for use within the visible to near-infrared spectrum, specifically catering to wavelengths between 400 and 1000nm.

Manufactured by the reputable optical vendor, Edmund Optics, this lens is constructed from the high-grade material, n-BK7 Schott, ensuring durability and longevity. The lens features a front and back coating of edm visnir0sp2002000, which enhances its performance within the specified wavelength range.

The lens's geometry is meticulously designed, with an edge thickness of 2.5mm and a center thickness of 4.93mm. The inner and outer radii are 0mm, and the lens has a base shape of a circle. The effective focal length (EFL) is 250mm, and the back focal length (BFL) is 248.37mm. The first and second radii of curvature are 257.57mm and -257.57mm, respectively.

This lens is a versatile and reliable option for various optical applications, offering superior quality and precision. Its detailed specifications make it an ideal choice for users seeking a lens tailored to the visible to near-infrared spectrum.

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