SLSQ-30B-40N 30.0 mm Dia. x -39.7 mm FL; Double-Concave Lens Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 30 mm
- EFL
- -39.7 mm
- BFL
- -40.3 mm
- R1
- -36.8 mm
- R2
- 36.8 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-30B-40N 30.0 mm Dia. x -39.7 mm FL; Double-Concave Lens Uncoated
The SLSQ-30B-40N is a high-quality double-concave lens offered by OptoSigma, a leading vendor in the optical industry. This lens, designed for use in various optical systems, features a spherical geometry with a diameter of 30.0 mm and a base shape of a circle.
The lens has a significant double-concave shape, with the first radius of curvature (r1) measured at -36.8 mm and the second radius (r2) at 36.8 mm. This design results in a back focal length (bfl) of -40.3 mm and an effective focal length (efl) of -39.7 mm. The edge thickness of the lens is 8.4 mm, while the center thickness is 2.0 mm, providing a robust and stable structure.
The lens is made from fused silica, a material known for its excellent optical properties, including high transparency and resistance to thermal shock. The material ID for this lens is "fused sil mal-1965", indicating its specific type and properties.
The SLSQ-30B-40N operates at a wavelength of 546.1 nm, making it suitable for a wide range of applications. Notably, this lens is uncoated, offering users the flexibility to apply their preferred coatings based on their specific requirements.