SLB-10B-20N 10.0 mm Dia. x -19.7 mm FL; Double-Concave Lens Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 10 mm
- EFL
- -19.7 mm
- BFL
- -20.3 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-10B-20N 10.0 mm Dia. x -19.7 mm FL; Double-Concave Lens Uncoated
The SLB-10B-20N is a high-quality double-concave lens offered by OptoSigma, a leading vendor in the optical industry. This lens, designed with a spherical shape, is crafted from n-BK7 Schott, a renowned optical glass known for its excellent optical properties.
The lens boasts a diameter of 10.0 mm, making it suitable for applications requiring compact optical components. The edge thickness is 3.2 mm, while the center thickness is 2.0 mm, providing a robust structure that can withstand typical handling and usage.
The SLB-10B-20N has an effective focal length (EFL) of -19.7 mm, indicating its double-concave nature. This characteristic is further emphasized by its radii of curvature, R1 and R2, which are -20.76 mm and 20.76 mm, respectively. The back focal length (BFL) is -20.3 mm, and the lens has no inner or outer radius, indicating a uniform curvature throughout.
This lens is designed to operate at a wavelength of 546.1 nm, making it suitable for a wide range of applications in the visible light spectrum. Notably, the lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements.