SLB-40B-40PM 40.0 mm Dia. x 42.1 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 42.1 mm
- BFL
- 37.9 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-40B-40PM 40.0 mm Dia. x 42.1 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-40B-40PM is a high-quality double-convex lens, sourced from the reputable vendor OptoSigma. This lens boasts a diameter of 40.0 mm and a focal length of 42.1 mm, making it suitable for a wide range of optical applications.
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 center thickness of 12.3 mm and an edge thickness of 2 mm. The lens has an effective focal length (EFL) of 42.1 mm and a back focal length (BFL) of 37.9 mm.
The SLB-40B-40PM is coated with opt m on both the front and back surfaces, enhancing its performance in the 400-700nm wavelength range. This coating helps to reduce reflection and increase transmission, making the lens ideal for use in demanding optical systems.
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