LE5382 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=150mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 150 mm
- BFL
- 145 mm
- R1
- 35 mm
- R2
- 78.6 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
LE5382 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=150mm Uncoated
The LE5382 is a spherical lens with a convex-concave design, sourced from Thorlabs. This lens boasts a base shape of a circle and is constructed from Calcium Fluoride (CaF2) with the Mal-1963 material ID. The diameter of the lens measures 25.4 mm, with a center thickness of 4 mm and an edge thickness of 2.6 mm.
The effective focal length (EFL) of the LE5382 is 150 mm, and it has an inner radius of 0 mm and an outer radius of 0 mm. The first radius of curvature (R1) is 35 mm, while the second radius of curvature (R2) is 78.6 mm, contributing to a back focal length (BFL) of 145 mm.
This lens is designed to operate at a wavelength of 4000 nm and does not come with any coating. The weblink provided leads to the product page on Thorlabs' website, where users can find more information about the lens and its availability.