LF5414 25.4 mm Dia. CaF2 Negative Meniscus Lens; EFL=-50mm Uncoated
- 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 25.4 mm Dia. CaF2 Negative Meniscus Lens; EFL=-50mm Uncoated
The LF5414 is a spherical lens from Thorlabs, featuring a concave-convex base shape and a circular geometry. With a diameter of 25.4 mm, this lens is designed to work with a wavelength of 4000 nm. The lens's thickness at the edge is 9.4 mm, while at the center, it measures 4 mm. The effective focal length (EFL) is -50 mm, and the back focal length (BFL) is -49.2 mm.
The LF5414 is made of CaF2 (Calcium Fluoride) material, identified as mal-1963 in the Material ID. This material is known for its excellent transparency in the ultraviolet, visible, and near-infrared regions of the spectrum. The lens does not come with any coating, as indicated in the 'coating' parameter being an empty object.
This lens is sourced from Thorlabs and is currently in stock, as indicated by the 'weblink status' field. For more information, you can refer to the vendor's website through the provided weblink.
