SLB-20-90NIR2 20.0 mm Dia. x -90.0 mm FL; Coated; Plano-Concave Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- -90 mm
- BFL
- -91.3 mm
- R1
- -46.71 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-20-90NIR2 20.0 mm Dia. x -90.0 mm FL; Coated; Plano-Concave Lens 750-1550nm
The SLB-20-90NIR2 is a Plano-Concave Spherical Lens, 20.0 mm in diameter and featuring a focal length of -90.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made of n-bk7 schott, a high-quality material known for its excellent optical properties.
The lens's geometry includes a thickness edge of 3.1 mm and a thickness center of 2 mm, providing a robust structure. The inner and outer radii are both 0 mm, indicating a uniform curvature. The front and back surfaces of the lens are coated with opt ir2, a coating specifically designed for the 750-1550nm wavelength range, enhancing its performance in the infrared spectrum.
This lens is part of the Spherical Lens (Plano-Concave) subtype, characterized by a concave shape on one side and a flat surface on the other. The circular base shape adds to its versatility, making it suitable for a wide range of optical applications.
According to the vendor's website, the lens is currently in stock, ensuring quick delivery upon order. The provided weblink leads directly to the product page, providing easy access to additional information or the purchasing process.
