LF1544 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-400mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -400 mm
- BFL
- -397 mm
- R1
- 250 mm
- R2
- 112.5 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
LF1544 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-400mm Uncoated
The LF1544 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 3.4 mm. The effective focal length (EFL) of this lens is -400mm, making it a negative meniscus lens.
The lens is crafted from the high-quality material n-BK7 Schott, a borosilicate crown glass known for its excellent optical properties. The lens's inner radius is 0, while the outer radius is also 0, indicating a symmetrical design.
The LF1544 operates at a wavelength of 587.6 nm. It does not come with any coating, as indicated in the item data. This lens is currently in stock and available for purchase, as indicated by its weblink status.
For more detailed information, please refer to the vendor's website at https://www.thorlabs.com/thorproduct.cfm?partnumber=LF1544.