SLB-40B-250PM 40.0 mm Dia. x 250.6 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 250.6 mm
- BFL
- 249.4 mm
- R1
- 259.5 mm
- R2
- -259.5 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-250PM 40.0 mm Dia. x 250.6 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-40B-250PM is a high-quality double-convex lens, boasting a diameter of 40.0 mm and a focal length of 250.6 mm. This lens is sourced from OptoSigma, a renowned vendor known for its 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 coating of opt m on both the front and back surfaces, enhancing its performance in the 400-700nm wavelength range.
The geometry of the lens is meticulously designed, with an edge thickness of 2 mm and a center thickness of 3.5 mm. The effective focal length (EFL) is 250.6 mm, while the back focal length (BFL) is 249.4 mm. The radii of the first and second surfaces are 259.5 mm and -259.5 mm, respectively.
This lens is a versatile option for various applications, thanks to its double-convex design and high-quality coating. It is currently in stock and available for immediate use. For more information or to make a purchase, please visit the provided weblink.
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