SLB-40B-120PM 40.0 mm Dia. x 120.9 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 120.9 mm
- BFL
- 119.1 mm
- R1
- 124.56 mm
- R2
- -124.56 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-120PM 40.0 mm Dia. x 120.9 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-40B-120PM is a high-quality double-convex lens, boasting a 40.0 mm diameter and a focal length of 120.9 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, with a thickness of 2 mm at the edge and 5.2 mm at the center. The effective focal length (EFL) is 120.9 mm, while the back focal length (BFL) is 119.1 mm.
The SLB-40B-120PM 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.
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