LB1844-B N-BK7 Bi-Convex Lens; Dia:0.5 in; f=50.0 mm ARC 650-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 50 mm
- BFL
- 49.1 mm
- R1
- 51.1 mm
- R2
- -51.1 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
LB1844-B N-BK7 Bi-Convex Lens; Dia:0.5 in; f=50.0 mm ARC 650-1050nm
The LB1844-B is a high-quality bi-convex lens from Thorlabs, designed with a base shape of a circle and a spherical geometry. This lens boasts a diameter of 12.7 millimeters and a thickness at the edge of 1.8 millimeters, while the center thickness measures 2.6 millimeters. The effective focal length (EFL) of this lens is 50 millimeters, and the back focal length (BFL) is 49.1 millimeters.
The LB1844-B is crafted from the renowned N-BK7 glass from Schott, a material known for its excellent optical properties. This lens is designed to work optimally with a wavelength of 633 nanometers. The lens features anti-reflection coatings on both the front and back surfaces, specifically the broadband AR coating (THO B BAR), which is designed to operate within the 650-1050 nanometer range.
This lens is currently in stock and available for immediate purchase through the provided weblink. As a reputable vendor, Thorlabs ensures the quality and reliability of their products, making the LB1844-B a trustworthy choice for your optical needs.