SLB-25.4B-50PIR2 25.4 mm Dia. x 50.8 mm FL; Coated; Double-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 50.8 mm
- BFL
- 49.2 mm
- R1
- 51.9 mm
- R2
- -51.9 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-25.4B-50PIR2 25.4 mm Dia. x 50.8 mm FL; Coated; Double-Convex Lens 750-1550nm
The SLB-25.4B-50PIR2 is a spherical lens with a base shape of a circle, designed and manufactured by OptoSigma. This lens is specifically designed for use within the wavelength range of 750-1550nm, making it suitable for a variety of applications within this spectrum.
The lens has a diameter of 25.4mm, with a thickness at the edge of 1.9mm and a center thickness of 5.1mm. The effective focal length (EFL) of this lens is 50.8mm, while the back focal length (BFL) is 49.2mm. The first radius of curvature (R1) is 51.9mm, and the second radius of curvature (R2) is -51.9mm. The inner and outer radii are both 0mm.
The lens is made from n-bk7 Schott, a material well-known for its excellent optical properties. The lens is coated with Opt IR2 on both the front and back, which is designed to enhance its performance within the specified wavelength range.
