SLB-25B-60PIR2 25.0 mm Dia. x 60.8 mm FL; Coated; Double-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 60.8 mm
- BFL
- 59.2 mm
- R1
- 62.28 mm
- R2
- -62.28 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-60PIR2 25.0 mm Dia. x 60.8 mm FL; Coated; Double-Convex Lens 750-1550nm
The SLB-25B-60PIR2 is a spherical lens with a base shape of a circle, offering a diameter of 25.0 mm and a focal length of 60.8 mm. This lens is sourced from OptoSigma, a reputable vendor known for its high-quality optical elements.
The lens is made of n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The geometry of the lens includes an edge thickness of 2.0 mm and a center thickness of 4.5 mm. The lens's effective focal length (EFL) is 60.8 mm, and the back focal length (BFL) is 59.2 mm. The radii of curvature for the first and second surfaces are 62.28 mm and -62.28 mm, respectively.
The SLB-25B-60PIR2 comes with a coating of opt ir2 on both the front and back surfaces, enhancing its performance in the 750-1550nm wavelength range. This coating ensures optimal transmission and reduces reflection, making it suitable for various applications in this spectral range.