SLB-25B-25NIR1 25.0 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -24.7 mm
- BFL
- -25.3 mm
- R1
- -25.9 mm
- R2
- 25.9 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-25NIR1 25.0 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 633-1064nm
The SLB-25B-25NIR1 is a high-quality double-concave lens, 25.0 mm in diameter, and featuring a focal length of -24.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for their extensive range of optical elements.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. It boasts a spherical shape, a key feature that ensures the light is focused or dispersed evenly. The lens has a center thickness of 2 mm and an edge thickness of 8.4 mm, providing a robust structure.
The SLB-25B-25NIR1 is coated with opt ir1 on both the front and back surfaces. This coating enhances the lens's performance in the 633-1064nm wavelength range, making it suitable for various applications.
The lens's geometry, including an inner radius of 0 and an outer radius of 0, further contributes to its performance. The lens's base shape is circular, adding to its versatility in different optical setups.
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