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63-681 20mm Dia. x 60mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm

63-681 20mm Dia. x 60mm 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
20 mm
EFL
60 mm
BFL
58.67 mm
R1
61.33 mm
R2
-61.33 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

63-681 20mm Dia. x 60mm FL; VIS-NIR Coated; Double-Convex Lens VIS-NIR 400-1000nm

This is a high-quality double-convex lens, 20mm in diameter and 60mm in focal length, sourced from the renowned optical components manufacturer, Edmund Optics. The lens is designed for use within the visible to near-infrared spectrum, specifically catering to the wavelength range of 400-1000nm.

The lens is made from the high-grade material, n-BK7 Schott, which is known for its excellent optical properties, making it suitable for a wide range of applications. The lens features a double-convex geometry, with radii of curvature of 61.33mm for both the front and rear surfaces, contributing to its superior optical performance.

The lens is coated with a VIS-NIR coating, specifically the EDM VISNIR0SP2002000 coating, on both the front and rear surfaces. This coating enhances the lens's performance within the specified wavelength range, reducing surface reflections and increasing transmission.

The lens has a thickness of 2.36mm at the edge and 4mm at the center, and a back focal length of 58.67mm. The lens's base shape is circular, and it does not have any inner or outer radius specifications.

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