SLB-15B-15NM 15.0 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
- 15 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-15B-15NM 15.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 400-700nm
The SLB-15B-15NM is a high-quality double-concave lens, designed with a base shape of a circle and a spherical geometry. This lens, sourced from OptoSigma, is specifically engineered for use within the wavelength range of 400-700nm, making it suitable for a wide array of optical applications.
The lens boasts a diameter of 15.0 mm, with a center thickness of 2.0 mm and an edge thickness of 5.9 mm. The effective focal length (EFL) is -14.7 mm, while the back focal length (BFL) is -15.3 mm. The first radius of curvature (R1) is -15.57 mm, and the second radius of curvature (R2) is 15.57 mm. The inner and outer radii are both 0 mm.
The SLB-15B-15NM is crafted from the esteemed n-BK7 material, sourced from Schott. This material is renowned for its excellent optical properties, making it a popular choice for various optical components.
The lens features a coating on both the front and back surfaces. This coating, identified as 'opt m', is designed to enhance the lens's performance and durability, providing optimal results for your optical system.