AC254-075-B 25.4 mm Dia. N-BAF10/N-SF6HT Unmounted Achromatic Doublet; EFL=75mm 650-1050nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- R1
- 36.9 mm
- R2
- -42.17 mm
Material 1
- Name
- N-BAF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6730569473646495
- λ
- 550 nm
- B1
- 1.5851495
- C1
- 0.00926681282 μm2
- B2
- 0.143559385
- C2
- 0.0424489805 μm2
- B3
- 1.08521269
- C3
- 105.613573 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
AC254-075-B 25.4 mm Dia. N-BAF10/N-SF6HT Unmounted Achromatic Doublet; EFL=75mm 650-1050nm
The AC254-075-B is a high-quality, unmounted achromatic doublet lens from Thorlabs, designed for use in the 650-1050nm spectral range. This lens, with a catalog number AC254-075-B, is a multiplet type, featuring a base shape of a circle and a diameter of 25.4mm.
The lens geometry is intricately designed with an edge thickness of 4.5mm, an inner radius of 0mm, and an outer radius of 0mm. The first and second radii (r1 and r2) are 36.9mm and -42.17mm respectively, while the third radius (r3) is 417.8mm. The center thicknesses are 5mm and 1.6mm for the first and second centers respectively.
The lens is composed of two materials: n-baf10 schott and n-sf6ht schott. Both the front and back surfaces of the lens are coated with tho ac650-1050-b, a coating specifically designed for use in the 650-1050nm spectral range.
The lens is currently in stock and available for immediate purchase through the Thorlabs website, as indicated by the "weblink status" field in the item data.
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