SLB-25.4B-50NM 25.4 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -49.7 mm
- BFL
- -50.4 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-25.4B-50NM 25.4 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 400-700nm
The SLB-25.4B-50NM is a high-quality double-concave 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 n-bk7 schott material, a popular choice due to its excellent optical properties.
The lens boasts a diameter of 25.4mm and a center thickness of 2mm, providing a substantial surface area for light transmission. The edge thickness is 5.2mm, ensuring robustness and durability. The lens's effective focal length (EFL) is -49.7mm, indicating its double-concave nature, which is further emphasized by its radii of curvature, R1 (-51.9mm) and R2 (51.9mm).
The SLB-25.4B-50NM features a front and back coating of opt m, enhancing its transmission capabilities and protecting it from environmental factors. The lens's shape is spherical, a common geometry in optical systems due to its ease of manufacturing and high optical performance.
This lens is currently in stock and can be purchased directly from the OptoSigma website using the provided weblink. With its impressive specifications and reliable performance, the SLB-25.4B-50NM is an excellent choice for a wide range of optical applications.