LF4986 25.4 mm Dia. UVFS Negative Meniscus Lens; EFL=-1000mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -1000 mm
- BFL
- -995.7 mm
- R1
- 300 mm
- R2
- 180.8 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4600813135725972
- λ
- 546 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
LF4986 25.4 mm Dia. UVFS Negative Meniscus Lens; EFL=-1000mm Uncoated
The LF4986 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 center thickness of 4 mm, with an edge thickness of 4.2 mm. The effective focal length (EFL) of this lens is -1000mm, making it a negative meniscus lens.
The lens is crafted from UVFS material, specifically identified as UVFS MAL-1965, and is designed to operate at a wavelength of 546 nm. The inner and outer radii of the lens are both 0, and the back focal length (BFL) is -995.7 mm.
Notably, this lens does not come with any coating, as indicated in the item data. This could be a crucial factor to consider depending on the specific application and environmental conditions in which the lens will be used.
More Lens
