SLB-25.4B-30PM 25.4 mm Dia. x 31.2 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 31.2 mm
- BFL
- 28.7 mm
- R1
- 31.14 mm
- R2
- -31.14 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-25.4B-30PM 25.4 mm Dia. x 31.2 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-25.4B-30PM is a high-quality double-convex lens offered by OptoSigma, a leading vendor in the optical industry. This lens, designed for use within the wavelength range of 400-700nm, is made of the renowned material n-BK7 Schott, ensuring excellent optical performance.
The lens boasts a diameter of 25.4mm and a center thickness of 7.2mm, providing a sufficient thickness-to-diameter ratio for enhanced durability. The edge thickness is 1.8mm, contributing to the lens' overall robustness. The effective focal length (EFL) of this lens is 31.2mm, making it suitable for various applications.
The SLB-25.4B-30PM features a front and back coating of Opt M, enhancing its transmission capabilities and reducing unwanted reflections. The radii of curvature for the first and second surfaces are 31.14mm and -31.14mm, respectively, which are typical values for a double-convex lens. The back focal length (BFL) is 28.7mm, and both the inner and outer radii are 0mm, indicating a uniform curvature throughout the lens.