SLB-40B-150PIR2 40.0 mm Dia. x 150.8 mm FL; Coated; Double-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 150.8 mm
- BFL
- 149.2 mm
- R1
- 155.7 mm
- R2
- -155.7 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-40B-150PIR2 40.0 mm Dia. x 150.8 mm FL; Coated; Double-Convex Lens 750-1550nm
The SLB-40B-150PIR2 is a high-quality lens offered by OptoSigma, designed for use within the wavelength range of 750-1550nm. This lens boasts a 40.0 mm diameter and a focal length of 150.8 mm, making it suitable for a variety of optical applications.
The lens is constructed from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it features a double-convex geometry, with radii of curvature of 155.7 mm and -155.7 mm for the first and second surfaces, respectively. This geometry results in a back focal length of 149.2 mm.
The lens has a thickness of 2 mm at the edge and 4.6 mm at the center, providing robustness and durability. The coating on both the front and back surfaces is opt ir2, which is specifically designed to enhance the performance of the lens within the specified wavelength range.