SLB-40B-50PM 40.0 mm Dia. x 51.7 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 51.7 mm
- BFL
- 48.3 mm
- R1
- 51.9 mm
- R2
- -51.9 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-50PM 40.0 mm Dia. x 51.7 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-40B-50PM is a high-quality double-convex lens, boasting a diameter of 40.0 mm and a focal length of 51.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for their precision optical elements.
The lens is crafted from n-bk7 schott, a material widely recognized for its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry, with radii of curvature R1 and R2 measured at 51.9 mm and -51.9 mm respectively. The lens has an edge thickness of 2 mm and a center thickness of 10 mm, providing robustness and durability.
The SLB-40B-50PM is coated with opt m on both the front and back surfaces, enhancing its performance in the spectral range of 400-700 nm. This coating ensures high transmission and low reflection, making it ideal for a wide range of applications. The lens's effective focal length (EFL) is 51.7 mm, and its back focal length (BFL) is 48.3 mm.
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