SLB-25B-60N 25.0 mm Dia. x -59.7 mm FL; Double-Concave Lens Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -59.7 mm
- BFL
- -60.3 mm
- R1
- -62.28 mm
- R2
- 62.28 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-60N 25.0 mm Dia. x -59.7 mm FL; Double-Concave Lens Uncoated
The SLB-25B-60N is a high-quality double-concave lens, uncoated, with a diameter of 25.0 mm and a focal length of -59.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for their precision optical elements.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. It features a base shape of a circle, with a thickness of 4.5 mm at the edge and 2 mm at the center. The inner and outer radii are 0, indicating a uniform curvature.
The SLB-25B-60N has a spherical geometry, with a radius of curvature of -62.28 mm for both the first and second surfaces. The back focal length is -60.3 mm. The lens is designed to operate at a wavelength of 546.1 nm.
This lens is uncoated, meaning it does not have any additional layers to enhance its optical properties. However, it can be customized with various coatings upon request. The lens is currently in stock and available for immediate shipping.
For more information, including pricing and availability, please refer to the vendor's website using the provided weblink.
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