SLB-80B-250PIR2 80.0 mm Dia. x 251.5 mm FL; Coated; Double-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 80 mm
- EFL
- 251.5 mm
- BFL
- 248.5 mm
- R1
- 259.5 mm
- R2
- -259.5 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-80B-250PIR2 80.0 mm Dia. x 251.5 mm FL; Coated; Double-Convex Lens 750-1550nm
The SLB-80B-250PIR2 is a high-quality lens from OptoSigma, designed for use in the 750-1550nm wavelength range. This lens is a Spherical Lens (Convex-Convex) type, featuring a base shape of Circular for versatile application.
The lens has a diameter of 80.0 mm and a thickness edge of 3.0 mm, ensuring durability and stability. The thickness center measures 9.2 mm, providing a robust structure for various optical setups. The effective focal length (EFL) of this lens is 251.5 mm, making it suitable for medium to long-range optical systems.
The lens's front and back surfaces are coated with opt IR2, a broadband anti-reflection coating that enhances transmission and reduces surface reflections. This coating is specifically designed for the 750-1550nm wavelength range, ensuring optimal performance in infrared applications.
The SLB-80B-250PIR2's geometry includes a double-convex lens design with radii of curvature R1 at 259.5 mm and R2 at -259.5 mm. The back focal length (BFL) is 248.5 mm, which should be considered when designing the optical system. The lens is made of n-bk7 schott material, a popular choice for its excellent optical properties and versatility.
