SLB-25.4B-40PM 25.4 mm Dia. x 41.0 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 41 mm
- BFL
- 39 mm
- R1
- 41.52 mm
- R2
- -41.52 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-40PM 25.4 mm Dia. x 41.0 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-25.4B-40PM is a high-quality double-convex lens, boasting a diameter of 25.4 mm and a focal length of 41.0 mm. This lens is sourced from OptoSigma, a renowned vendor known for their precision optical components.
The lens is crafted 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 spherical geometry, with a thickness of 1.9 mm at the edge and 5.9 mm at the center. The effective focal length (EFL) is 41 mm, while the back focal length (BFL) is 39 mm.
The SLB-25.4B-40PM is coated with Opt M on both the front and back surfaces, enhancing its performance in the 400-700nm wavelength range. This coating ensures high transmission and low reflection, making it ideal for a wide range of applications.
