LB1779-C N-BK7 Bi-Convex Lens; Dia:1 in; f=300.0 mm ARC 1050-1700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 150 mm
- BFL
- 299.2 mm
- R1
- 308.6 mm
- R2
- -308.6 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
LB1779-C N-BK7 Bi-Convex Lens; Dia:1 in; f=300.0 mm ARC 1050-1700nm
The LB1779-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 1 inch (25.4 mm) and a focal length of 300.0 mm, making it suitable for applications that require a long focal length. The bi-convex geometry, characterized by two convex surfaces, provides a high degree of focusing power and a wide field of view.
The LB1779-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 spectrum.
The lens has a central thickness of 3.3 mm and an edge thickness of 2 mm, providing robustness and durability. The lens is also designed with a clear aperture, allowing for maximum light transmission and minimal optical loss.