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SLB-08B-20P 8.0 mm Dia. x 20.4 mm FL; Double-Convex Lens Uncoated

SLB-08B-20P 8.0 mm Dia. x 20.4 mm FL; Double-Convex Lens Uncoated

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

Properties

Shape
Circular
Diameter
8 mm
EFL
20.4 mm
BFL
19.6 mm
R1
20.76 mm
R2
-20.76 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.518720636186463
λ
546.1 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

SLB-08B-20P 8.0 mm Dia. x 20.4 mm FL; Double-Convex Lens Uncoated

The SLB-08B-20P is a high-quality double-convex lens, sourced from the reputable vendor OptoSigma. This lens is designed with a spherical shape and a circular base, making it suitable for a wide range of optical applications. The lens is fabricated from the renowned material n-bk7 schott, a borosilicate crown glass known for its excellent optical properties.

The lens boasts a diameter of 8.0 mm and a thickness that varies from 1.5 mm at the edge to 2.3 mm at the center. The effective focal length (EFL) of this lens is 20.4 mm, providing a substantial focal length for various optical systems. The first radius of curvature (R1) is 20.76 mm, while the second radius of curvature (R2) is -20.76 mm, indicating the double-convex nature of the lens. The back focal length (BFL) is 19.6 mm, which is crucial for determining the position of the lens in an optical system.

The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements. The wavelength for this lens is 546.1 nm, which is within the visible light spectrum.

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