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67-662 30mm Dia. x 75mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm

67-662 30mm Dia. x 75mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm

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

Properties

Shape
Circular
Diameter
30 mm
EFL
75 mm
BFL
73.35 mm
R1
76.67 mm
R2
-76.67 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

67-662 30mm Dia. x 75mm FL; NIR II Coated; Double-Convex Lens NIR II 750-1550nm

The 67-662 is a high-quality double-convex lens, designed and manufactured by Edmund Optics, a leading global provider of optical components. This lens boasts a 30mm diameter and a focal length of 75mm, making it suitable for a wide range of applications.

The lens is constructed from N-BK7 Schott, a popular optical glass known for its excellent optical properties and versatility. The base shape of the lens is circular, and it features a double-convex geometry, with radii of curvature of 76.67mm and -76.67mm for the first and second surfaces, respectively. This geometry results in a beneficial spherical aberration correction.

The lens has a central thickness of 4.96mm and an edge thickness of 2mm, providing robustness and durability. The effective focal length (EFL) is 75mm, and the back focal length (BFL) is 73.35mm, which should be considered when integrating this lens into an optical system.

The 67-662 lens is coated with Edmund Optics' NIR-II standard curve coating on both the front and back surfaces. This coating enhances the lens' performance in the near-infrared (NIR) spectrum, specifically between 750nm and 1550nm, making it ideal for applications such as NIR imaging, spectroscopy, and sensing.

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