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SLB-20-50PM 20.0 mm Dia. x 50.0 mm FL; Coated; Plano-Convex Lens 400-700nm

SLB-20-50PM 20.0 mm Dia. x 50.0 mm FL; Coated; Plano-Convex Lens 400-700nm

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

Properties

Shape
Circular
Diameter
20 mm
EFL
50 mm
BFL
47.4 mm
R1
25.95 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-20-50PM 20.0 mm Dia. x 50.0 mm FL; Coated; Plano-Convex Lens 400-700nm

The SLB-20-50PM is a Plano-Convex lens, a type of spherical lens, sourced from OptoSigma. This lens has a diameter of 20.0 mm and a focal length of 50.0 mm, making it suitable for a wide range of optical applications. The lens is made from n-bk7 schott, a high-quality optical glass known for its excellent transmittance and low auto-fluorescence.

The lens features a Plano-Convex geometry, meaning one side is flat (Plano) and the other side is curved (Convex). The curvature of the convex side is defined by a radius of 25.95 mm. The lens has an edge thickness of 2.0 mm and a center thickness of 4.0 mm. The back focal length (BFL) is 47.4 mm, and the effective focal length (EFL) is 50.0 mm.

The SLB-20-50PM is coated with Opt M on both the front and back surfaces. This coating enhances the lens's performance by reducing reflection and increasing transmission in the spectral range of 400-700 nm. The lens is currently in stock and available for immediate shipping.

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