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49-449 3mm Dia. x 6mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm

49-449 3mm Dia. x 6mm 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
3 mm
EFL
6 mm
BFL
5.37 mm
R1
5.88 mm
R2
-5.88 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

49-449 3mm Dia. x 6mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm

The 49-449 is a double-convex lens with a 3mm diameter and a 6mm focal length, sourced from Edmund Optics. This lens is designed for use within the visible to near-infrared spectrum, specifically between 400 and 1000nm.

The lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and relatively low cost. The base shape of the lens is circular, and it features a spherical geometry. The radius of curvature for the first surface (R1) is 5.88mm, while the second surface (R2) has a radius of curvature of -5.88mm. The lens has an effective focal length (EFL) of 6mm, and the back focal length (BFL) is 5.37mm.

The lens is coated with a VIS-NIR coating, specifically edm visnir0sp2002000, on both the front and back surfaces. This coating is designed to enhance the lens's performance within the visible to near-infrared spectrum. The edge thickness of the lens is 1.41mm, while the center thickness is 1.8mm.

This lens is a great option for applications that require a small, high-performance lens within the visible to near-infrared spectrum. It is currently in stock, according to the vendor's website.

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