LF5414-E 25.4 mm Dia. CaF2 Negative Meniscus Lens; EFL=-50mm 2-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -50 mm
- BFL
- -49.2 mm
- R1
- 68.5 mm
- R2
- 15.5 mm
Material
- Name
- CaF2
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4096399504333625
- λ
- 4000 nm
- B1
- 0.5675888
- C1
- 0.00252643 μm2
- B2
- 0.4710914
- C2
- 0.010078333 μm2
- B3
- 3.8484723
- C3
- 1200.555973 μm2
LF5414-E 25.4 mm Dia. CaF2 Negative Meniscus Lens; EFL=-50mm 2-5µm
The LF5414-E is a spherical lens with a concave-convex base shape and a circular design, sourced from Thorlabs. This lens boasts a diameter of 25.4 mm and a center thickness of 4 mm, with an edge thickness of 9.4 mm. The effective focal length (EFL) is -50 mm, and the back focal length (BFL) is -49.2 mm. The radii of curvature for the first and second surfaces are 68.5 mm and 15.5 mm, respectively.
This lens is crafted from Calcium Fluoride (CaF2) with the Mal-1963 material ID, making it suitable for use with a wavelength of 4000 nm. The lens is coated with tho ecaf2arc20005000 on both the front and back surfaces, enhancing its performance in specific applications.
The LF5414-E is currently in stock and available for purchase through the Thorlabs website, as indicated by its valid weblink status. This lens is a reliable choice for users seeking a high-quality, concave-convex spherical lens for their optical systems.
