SLB-25B-50PM 25.0 mm Dia. x 50.8 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 50.8 mm
- BFL
- 49.2 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-25B-50PM 25.0 mm Dia. x 50.8 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-25B-50PM is a high-quality lens from OptoSigma, designed for use in the 400-700nm wavelength range. This lens is a Spherical Lens (Convex-Convex) type, featuring a base shape of Circular for versatile application.
The lens has a diameter of 25.0 mm and a thickness edge of 2.0 mm, ensuring durability and stability. The thickness center measures 5.1 mm, contributing to the lens's overall robustness. The effective focal length (EFL) is 50.8 mm, making it suitable for a wide range of optical applications.
The lens's first radius of curvature (R1) is 51.9 mm, while the second radius of curvature (R2) is -51.9 mm, indicating its double-convex nature. The back focal length (BFL) is 49.2 mm, which is crucial for determining the lens's placement in an optical system. The lens does not have an inner radius or an outer radius.
The lens is made of n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The lens is coated with opt m on both the front and back, enhancing its performance in the specified wavelength range.
