SLB-50.8B-70PM 50.8 mm Dia. x 72.0 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
- 72 mm
- BFL
- 68 mm
- R1
- 72.66 mm
- R2
- -72.66 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-70PM 50.8 mm Dia. x 72.0 mm FL; Coated; Double-Convex Lens 400-700nm
This is a high-quality double-convex lens from OptoSigma, designed for use in the spectral range of 400-700nm. The lens, identified as SLB-50.8B-70PM, has a diameter of 50.8mm and a focal length of 72.0mm, making it suitable for a wide range of optical applications.
The lens is made from n-BK7 Schott, a popular optical glass known for its excellent optical properties and high transmittance in the visible spectrum. The base shape of the lens is circular, and it features a spherical geometry with a center thickness of 12.2mm and an edge thickness of 3mm. The lens has a front and back coating of opt m, which enhances its overall performance by reducing surface reflections and improving transmission.
The lens's effective focal length (EFL) is 72mm, and its back focal length (BFL) is 68mm. The first radius of curvature (R1) is 72.66mm, and the second radius of curvature (R2) is -72.66mm. The lens does not have an inner radius or an outer radius.
According to the vendor's website, this lens is in stock, and the web link provided is valid. This information is subject to change, and we recommend checking the vendor's website for the most up-to-date status.
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