SLB-25B-50NM 25.0 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 mm
- EFL
- -49.7 mm
- BFL
- -50.3 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-50NM 25.0 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 400-700nm
The SLB-25B-50NM is a high-quality double-concave lens, designed with a base shape of a circle and a diameter of 25.0 mm. This lens is sourced from OptoSigma, a renowned vendor known for its precision optical components. The lens features a significant double-concave geometry, with a thickness edge of 5.1 mm and a thickness center of 2.0 mm. The effective focal length (EFL) of this lens is -49.7 mm, making it suitable for a wide range of optical applications.
The lens is made from n-bk7 schott, a high-grade optical material known for its excellent optical properties. The inner and outer radii of the lens are 0 mm, indicating a symmetrical design. The lens is coated with opt m on both the front and back surfaces, enhancing its performance in the 400-700nm wavelength range.
This lens is currently in stock and available for immediate use. Its detailed parameters, including its geometry, material, coating, and wavelength, make it a versatile and reliable choice for various optical systems.
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