SLB-50.8B-200PM 50.8 mm Dia. x 201.0 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 201 mm
- BFL
- 199 mm
- R1
- 207.6 mm
- R2
- -207.6 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-50.8B-200PM 50.8 mm Dia. x 201.0 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-50.8B-200PM is a high-quality double-convex lens, boasting a diameter of 50.8 mm and a focal length of 201.0 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 2.9 mm at the edge and 6 mm at the center. The effective focal length (EFL) is 201 mm, and the back focal length (BFL) is 199 mm.
The SLB-50.8B-200PM is coated with opt m on both the front and back surfaces, enhancing its performance in the 400-700 nm wavelength range. This coating ensures high transmission and low reflection, making it ideal for a wide range of applications.
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