SLB-25.4B-70N 25.4 mm Dia. x -69.7 mm FL; Double-Concave Lens Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -69.7 mm
- BFL
- -70.4 mm
- R1
- -72.66 mm
- R2
- 72.66 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-70N 25.4 mm Dia. x -69.7 mm FL; Double-Concave Lens Uncoated
This is a high-quality double-concave lens, the SLB-25.4B-70N, sourced from the reputable vendor OptoSigma. The lens boasts a diameter of 25.4 mm and a focal length of -69.7 mm, making it suitable for a wide range of optical applications.
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 double-concave geometry, with radii of curvature of -72.66 mm and 72.66 mm, respectively. The lens has an edge thickness of 4.2 mm and a center thickness of 2 mm, providing robustness and durability.
The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements. The lens is currently in stock and available for immediate use. For more information, users can refer to the vendor's website provided in the item data.
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