SLB-25.4-70NM 25.4 mm Dia. x -70.0 mm FL; Coated; Plano-Concave Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -70 mm
- BFL
- -71.3 mm
- R1
- -36.33 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-25.4-70NM 25.4 mm Dia. x -70.0 mm FL; Coated; Plano-Concave Lens 400-700nm
The SLB-25.4-70NM is a Plano-Concave Spherical Lens, a high-quality optical component sourced from OptoSigma. This lens boasts a diameter of 25.4 mm and a focal length of -70.0 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 planoconcave geometry. The center thickness of the lens is 2 mm, while the edge thickness is 4.3 mm, providing a robust structure for various applications.
The SLB-25.4-70NM is coated with opt m on both the front and back surfaces, enhancing its performance in the 400-700nm wavelength range. This coating ensures high transmission and low reflection, making it an ideal choice for applications that require high-quality imaging or light transmission.
The lens has an effective focal length (EFL) of -70.0 mm and a back focal length (BFL) of -71.3 mm. The inner and outer radii are 0 mm, indicating a uniform curvature. The radius of curvature (R1) is -36.33 mm.
