LE5802 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=75mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 75 mm
- BFL
- 67.2 mm
- R1
- 15.5 mm
- R2
- 28 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
LE5802 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=75mm Uncoated
The LE5802 is a spherical lens with a convex-concave design, sourced from Thorlabs. This lens boasts a 25.4 mm diameter and is made from CaF2 (Calcium Fluoride) material, specifically the Mal-1963 variant. The lens's geometry includes an edge thickness of 2 mm and a center thickness of 5.6 mm, with an effective focal length (EFL) of 75 mm.
The LE5802's base shape is circular, and its geometry also includes an inner radius of 0 and an outer radius of 0. The lens's back focal length (BFL) is 67.2 mm. The wavelength for this lens is 4000 nm.
Notably, this lens does not come with any coating, as indicated in the item data. This could be a crucial factor to consider when selecting this lens, depending on the specific requirements of your application.
Thorlabs, the vendor, lists this item as in stock, and the web link provided leads to the product page on their official website for further reference.
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