LB1917-C N-BK7 Bi-Convex Lens; Dia:2 in; f=300.0 mm ARC 1050-1700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 150 mm
- BFL
- 298.3 mm
- R1
- 308.2 mm
- R2
- -308.2 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5150823520020043
- λ
- 633 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
LB1917-C N-BK7 Bi-Convex Lens; Dia:2 in; f=300.0 mm ARC 1050-1700nm
The LB1917-C is a high-quality bi-convex lens from Thorlabs, designed for use in a wide range of optical applications. This lens is fabricated from N-BK7 Schott glass, a popular material known for its excellent optical properties and versatility.
The lens features a diameter of 2 inches (50.8 mm) and a focal length of 300.0 mm, providing a high level of magnification and precision. The bi-convex design, characterized by two convex surfaces, offers a wide field of view and low spherical aberration, ensuring optimal image quality.
The LB1917-C is coated with Thorlabs' proprietary AR coating, designed to reduce reflection and increase transmission across the 1050-1700nm wavelength range. This coating enhances the lens' performance in infrared applications, making it an ideal choice for researchers and engineers working in this field.
The lens has a central thickness of 8.1 mm and an edge thickness of 3 mm, providing robustness and durability. The lens is also available with custom coatings and mounting options upon request, making it a highly adaptable solution for various optical systems.