LB1374-B N-BK7 Bi-Convex Lens; Dia:2 in; f=150.0 mm ARC 650-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 150 mm
- BFL
- 147.6 mm
- R1
- 153.3 mm
- R2
- -153.3 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
LB1374-B N-BK7 Bi-Convex Lens; Dia:2 in; f=150.0 mm ARC 650-1050nm
The LB1374-B is a high-quality bi-convex lens made from N-BK7 Schott glass, sourced from the reputable vendor Thorlabs. This lens is designed for use in the 650-1050nm wavelength range, making it suitable for a wide range of optical applications.
The lens features a diameter of 2 inches (50.8mm) and a focal length of 150.0mm. The front and back surfaces of the lens are coated with THo BBAR, a broadband anti-reflection coating that enhances transmission and reduces surface reflections. The edge thickness of the lens is 3mm, while the center thickness is 7.2mm, providing excellent optical performance and durability.
The lens has a spherical shape with a first radius of curvature (R1) of 153.3mm and a second radius of curvature (R2) of -153.3mm. The back focal length (BFL) is 147.6mm, and the effective focal length (EFL) is 150mm. The lens is designed for use in air, with an inner radius of 0mm and an outer radius of 0mm.
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