SLB-20B-30PM 20.0 mm Dia. x 31.0 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 31 mm
- BFL
- 29.1 mm
- R1
- 31.14 mm
- R2
- -31.14 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-20B-30PM 20.0 mm Dia. x 31.0 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-20B-30PM is a high-quality double-convex lens, sourced from the reputable vendor OptoSigma. This lens boasts a 20.0 mm diameter and a focal length of 31.0 mm, making it suitable for a wide range of optical applications.
The lens is crafted 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 spherical geometry, with a center thickness of 5.3 mm and an edge thickness of 2 mm. The inner and outer radii are both 0 mm, indicating a uniform curvature.
The SLB-20B-30PM is coated with an opt m coating on both the front and back surfaces. This coating enhances the lens's performance by reducing reflection and increasing transmission within the 400-700nm wavelength range. The effective focal length (EFL) of the lens is 31.14 mm, and the back focal length (BFL) is 29.1 mm.
This lens is currently in stock and available for immediate purchase through the provided weblink. With its superior quality and versatile specifications, the SLB-20B-30PM is an excellent choice for various optical applications.