LF1544-C 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-400mm 1050-1700nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -400 mm
- BFL
- -397 mm
- R1
- 250 mm
- R2
- 112.5 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
LF1544-C 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-400mm 1050-1700nm
The LF1544-C is a spherical lens with a concave-convex base shape and a circular design, sourced from the reputable vendor Thorlabs. This lens boasts a diameter of 25.4 mm and a thickness of 3.4 mm at the edge, while the center thickness measures 3 mm. The effective focal length (EFL) is -400mm, and the back focal length (BFL) is -397mm.
The lens is crafted from n-BK7 Schott glass, a popular material known for its excellent optical properties. The radii of curvature for the first and second surfaces are 250mm and 112.5mm, respectively. The lens features a coating of tho c bbar on both the front and back surfaces, enhancing its performance within the wavelength range of 1050-1700nm.
This lens is a negative meniscus lens, meaning it has a concave front surface and a convex rear surface. This design is often used in optical systems to correct aberrations and improve image quality. The LF1544-C is a versatile and high-performing lens, ideal for a wide range of optical applications.
