SLB-10B-15NM 10.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 10 mm
- EFL
- -14.7 mm
- BFL
- -15.3 mm
- R1
- -15.57 mm
- R2
- 15.57 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-10B-15NM 10.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 400-700nm
The SLB-10B-15NM is a high-quality double-concave lens, designed and manufactured by OptoSigma. This lens, with a base shape of a circle, is specifically designed for use within the wavelength range of 400-700nm, making it suitable for a wide range of optical applications.
The lens has a diameter of 10.0 mm and a center thickness of 2.0 mm, ensuring a compact and efficient design. The edge thickness is 3.6 mm, providing robustness and durability. The effective focal length (EFL) of this lens is -14.7 mm, and the back focal length (BFL) is -15.3 mm, indicating a strong converging power.
The lens is made from n-BK7 Schott, a popular optical glass due to its excellent optical properties and chemical resistance. The lens surface is coated with Opt M, a broadband anti-reflection coating that enhances transmission and reduces surface reflections, thereby improving overall system performance.
This lens is a spherical lens, which means it has a spherical surface with a constant radius of curvature. The first radius of curvature (R1) is -15.57 mm, and the second radius of curvature (R2) is 15.57 mm, indicating a biconcave lens. The inner and outer radii are both 0 mm, indicating a uniform curvature across the lens surface.
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