SLB-25B-100NIR2 25.0 mm Dia. x -99.7 mm FL; Coated; Double-Concave Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -99.7 mm
- BFL
- -100.3 mm
- R1
- -103.8 mm
- R2
- 103.8 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-25B-100NIR2 25.0 mm Dia. x -99.7 mm FL; Coated; Double-Concave Lens 750-1550nm
The SLB-25B-100NIR2 is a high-quality double-concave lens, designed and manufactured by OptoSigma. This lens, with a diameter of 25.0 mm, is specifically engineered for use within the wavelength range of 750-1550nm, making it ideal for near-infrared applications.
The lens features a base shape of a circle, with a center thickness of 2mm and an edge thickness of 3.5mm. The effective focal length (EFL) is -99.7mm, and the back focal length (BFL) is -100.3mm. The radii of curvature for the first and second surfaces are -103.8mm and 103.8mm, respectively.
The lens is made from n-BK7 Schott, a popular optical glass due to its excellent optical properties and high transmittance in the visible and near-infrared regions. The lens is coated with Opt IR2, a broadband anti-reflection coating that further enhances its performance by reducing surface reflections.
This lens is currently in stock and available for immediate purchase. For more information, including detailed specifications and purchasing options, please refer to the vendor's website using the provided weblink.
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