AC254-400-C-ML 25.4 mm Dia. SF2/N-SF6HT Mounted Achromatic Doublet; EFL=400mm 1050-1700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- R1
- 70 mm
- R2
- -93.1 mm
Material 1
- Name
- SF2
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6517416788523134
- λ
- 550 nm
- B1
- 1.40301821
- C1
- 0.0105795466 μm2
- B2
- 0.231767504
- C2
- 0.0493226978 μm2
- B3
- 0.939056586
- C3
- 112.405955 μm2
Material 2
- Name
- N-SF6HT
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.811866267147773
- λ
- 550 nm
- B1
- 1.77931763
- C1
- 0.0133714182 μm2
- B2
- 0.338149866
- C2
- 0.0617533621 μm2
- B3
- 2.08734474
- C3
- 174.01759 μm2
AC254-400-C-ML 25.4 mm Dia. SF2/N-SF6HT Mounted Achromatic Doublet; EFL=400mm 1050-1700nm
This is the AC254-400-C-ML, a multiplet lens by Thorlabs with a diameter of 25.4 mm and effective focal length of 400mm, specifically designed for use within the spectral range of 1050-1700nm. The lens is mounted and features an achromatic doublet design, constructed from SF2 and N-SF6HT Schott glass materials.
The lens's geometry showcases a 6.1 mm thickness at the edge, with a central thickness of 4.2 mm for the first surface and 2.5 mm for the second surface. The lens's base shape is circular, and its design includes three radii: r1 at 70 mm, r2 at -93.1 mm, and r3 at 151.4 mm. The inner and outer radii are both zero.
The AC254-400-C-ML comes with front and back coatings of tho ac1050-1700-c, providing optimal performance within its specified wavelength range. With a validated "in stock" status on Thorlabs' website, this lens is ready for immediate integration into your optical system.
For more information, including detailed specifications and purchasing options, consult the product page at https://www.thorlabs.com/thorproduct.cfm?partnumber=AC254-400-C-ML.
More Lens
