SLB-20B-100PM 20.0 mm Dia. x 100.5 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 100.5 mm
- BFL
- 99.5 mm
- R1
- 103.8 mm
- R2
- -103.8 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-100PM 20.0 mm Dia. x 100.5 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-20B-100PM is a high-quality lens from OptoSigma, designed for use in the 400-700nm wavelength range. This lens, with a diameter of 20.0 mm and a focal length of 100.5 mm, is a spherical lens of the convex-convex type, featuring a base shape that is circular.
The lens has a front and back coating of opt m, which enhances its performance and durability. The geometry of the lens is meticulously designed, with an edge thickness of 2 mm and a center thickness of 3 mm. The effective focal length (EFL) is 100.5 mm, while the back focal length (BFL) is 99.5 mm. The first radius of curvature (R1) is 103.8 mm, and the second radius of curvature (R2) is -103.8 mm.
The lens is made of n-bk7 schott, a material known for its excellent optical properties. The wavelength for this lens is 546.1 nm. The lens is not specified to have any inner or outer radius.