SLB-20B-150PIR2 20.0 mm Dia. x 150.4 mm FL; Coated; Double-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 150.4 mm
- BFL
- 149.6 mm
- R1
- 155.7 mm
- R2
- -155.7 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-150PIR2 20.0 mm Dia. x 150.4 mm FL; Coated; Double-Convex Lens 750-1550nm
OptoSigma's SLB-20B-150PIR2 is a spherical lens with a base shape of a circle, designed for use in the 750-1550nm wavelength range. This lens is part of the n-bk7 schott material family, known for its excellent optical properties.
The lens has a diameter of 20.0 mm and a thickness at the edge of 2.0 mm, while the thickness at the center is 2.6 mm. The effective focal length (EFL) is 150.4 mm, and the radii of curvature are 155.7 mm for the first surface and -155.7 mm for the second surface. The back focal length (BFL) is 149.6 mm.
The SLB-20B-150PIR2 features a double-convex lens design, which is beneficial for a wide range of applications due to its ability to focus light efficiently. The lens is coated with opt ir2 on both the front and back surfaces, enhancing its performance in the infrared spectrum.
This lens is currently in stock and available for immediate purchase through the provided weblink. With its high-quality construction, precise specifications, and wide range of applications, the SLB-20B-150PIR2 is an excellent choice for any optical system operating in the 750-1550nm range.