SLB-25B-30NIR1 25.0 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -29.7 mm
- BFL
- -30.3 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-25B-30NIR1 25.0 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 633-1064nm
The SLB-25B-30NIR1 is a high-quality double-concave lens, boasting a diameter of 25.0 mm and a focal length of -29.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for its precision optical components.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry, making it suitable for a wide range of optical applications.
The SLB-25B-30NIR1 comes with a coating of opt ir1 on both the front and back surfaces. This coating enhances the lens's performance in the 633-1064nm wavelength range, making it ideal for use in systems that operate within this spectrum.
The lens has a thickness of 7.2 mm at the edge and 2.0 mm at the center, providing a robust structure while maintaining a compact profile. The inner and outer radii are 0, indicating a uniform curvature throughout the lens.
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