LF5154 12.7 mm Dia. CaF2 Negative Meniscus Lens; EFL=-80mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- -80 mm
- BFL
- -77.9 mm
- R1
- 33.7 mm
- R2
- 16.2 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
LF5154 12.7 mm Dia. CaF2 Negative Meniscus Lens; EFL=-80mm Uncoated
The LF5154 is a spherical lens from Thorlabs, featuring a concave-convex base shape and a circular design. This lens has a diameter of 12.7 mm and a center thickness of 3 mm, with an edge thickness of 3.7 mm. The effective focal length (EFL) is -80 mm, making it a negative meniscus lens. The lens's first radius of curvature (r1) is 33.7 mm, while the second radius (r2) is 16.2 mm, and the back focal length (bfl) is -77.9 mm.
The lens is made of Calcium Fluoride (CaF2), identified as "caf2 mal-1963" in the Material ID. It is designed to operate at a wavelength of 4000 nm. The lens does not come with any coating, as indicated in the "coating" field being empty.
The lens's information is currently in stock and available for purchase on Thorlabs' official website, as indicated by the "weblink status" field. For more detailed information, users are encouraged to visit the provided weblink.
