SLSQ-25.4B-25N 25.4 mm Dia. x -24.7 mm FL; Double-Concave Lens Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -24.7 mm
- BFL
- -25.4 mm
- R1
- -23 mm
- R2
- 23 mm
Material
- Name
- Fused Silica
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.460077010624967
- λ
- 546.1 nm
- B1
- 0.6961663
- C1
- 0.00467914825849 μm2
- B2
- 0.4079426
- C2
- 0.013512063073959999 μm2
- B3
- 0.8974794
- C3
- 97.934002537921 μm2
SLSQ-25.4B-25N 25.4 mm Dia. x -24.7 mm FL; Double-Concave Lens Uncoated
OptoSigma presents the SLSQ-25.4B-25N, a fused silica biconcave lens with a diameter of 25.4 mm and a focal length of -24.7 mm. This uncoated lens is designed for use in a variety of optical systems, offering high-quality performance and precision.
The lens features a base shape of a circle, with a thickness of 9.6 mm at the edge and 2 mm at the center. The radii of curvature are -23 mm for the first surface and 23 mm for the second, resulting in a back focal length of -25.4 mm. The lens is made of fused silica, a material known for its excellent optical properties, including low autofluorescence and high transmission across a wide range of wavelengths.
The SLSQ-25.4B-25N is designed for use at a wavelength of 546.1 nm and is spherical in shape. It is uncoated, offering a cost-effective solution for applications where coating is not required or preferred. The lens is currently in stock and available for immediate purchase, as indicated by its valid web link status.
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