SLB-20B-90PIR1 20.0 mm Dia. x 90.5 mm FL; Coated; Double-Convex Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 90.5 mm
- BFL
- 89.5 mm
- R1
- 93.42 mm
- R2
- -93.42 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-90PIR1 20.0 mm Dia. x 90.5 mm FL; Coated; Double-Convex Lens 633-1064nm
The SLB-20B-90PIR1 is a high-quality lens from OptoSigma, designed for use in a wide range of optical applications. This lens, with a diameter of 20.0 mm and a focal length of 90.5 mm, is a spherical lens of the convex-convex type, featuring a base shape that is circular.
The lens is made from n-bk7 schott, a material well-known for its excellent optical properties. The geometry of the lens includes a thickness at the edge of 2.0 mm and a thickness at the center of 3.1 mm. The effective focal length (EFL) is 90.5 mm, while the back focal length (BFL) is 89.5 mm. The radii of curvature for the first and second surfaces are 93.42 mm and -93.42 mm, respectively.
The SLB-20B-90PIR1 comes with a coating on both the front and back surfaces. This coating, opt ir1, is specifically designed to enhance the lens' performance in the wavelength range of 633-1064nm. The lens shape is spherical, making it suitable for a wide range of optical systems.
According to the vendor, this item is currently in stock, and the web link provided leads to the product page on OptoSigma's official website. This information is valid as of the time of writing.
