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SLB-25-40NM 25.0 mm Dia. x -40.0 mm FL; Coated; Plano-Concave Lens 400-700nm

SLB-25-40NM 25.0 mm Dia. x -40.0 mm FL; Coated; Plano-Concave Lens 400-700nm

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

Properties

Shape
Circular
Diameter
25 mm
EFL
-40 mm
BFL
-41.3 mm
R1
-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-25-40NM 25.0 mm Dia. x -40.0 mm FL; Coated; Plano-Concave Lens 400-700nm

The SLB-25-40NM is a Plano-Concave Spherical Lens, sourced from the reputable vendor OptoSigma. This lens boasts a diameter of 25.0 mm and a focal length of -40.0 mm, making it ideal for applications that require concave lenses.

The lens is crafted from n-bk7 schott, a high-quality material known for its excellent optical properties. The base shape of the lens is circular, and it features a double-sided coating of opt m, which enhances its performance in the wavelength range of 400-700nm.

The geometry of the lens is meticulously designed, with an edge thickness of 6.2 mm and a center thickness of 2 mm. The lens's inner and outer radii are 0, indicating a flat surface on both sides. The back focal length (bfl) is -41.3 mm, and the effective focal length (efl) is -40 mm.

This lens is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website, which is provided in the item data.

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