LF4938 25.4 mm Dia. UVFS Negative Meniscus Lens; EFL=-100mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -100 mm
- BFL
- -99.3 mm
- R1
- 150 mm
- R2
- 35 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
LF4938 25.4 mm Dia. UVFS Negative Meniscus Lens; EFL=-100mm Uncoated
The LF4938 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 3 mm, with an edge thickness of 4.9 mm. The effective focal length (EFL) is -100 mm, and the lens is uncoated.
The lens's first radius of curvature (R1) is 150 mm, while the second radius of curvature (R2) is 35 mm. The back focal length (BFL) is -99.3 mm, and the lens does not have an inner or outer radius. The lens is designed to work with a wavelength of 546 nm.
This lens is made of UVFS material, specifically identified as UVFS Mal-1965. The lens's shape is spherical, and it does not have any coating. This lens is a negative meniscus lens, meaning it has a concave front surface and a convex rear surface.
The information about this lens is valid and in stock, and the weblink to the vendor's page is provided for further details. This lens is a robust and reliable option for various optical applications, offering precision and clarity in its performance.
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