AC508-075-A-ML 50.8 mm Dia. E-BAF11/N-SF11 Mounted Achromatic Doublet; EFL=75mm 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- R1
- 50.8 mm
- R2
- -41.7 mm
Material 1
- Name
- BAF11
- Dispersion Equation
- Schott
- n (λ)
- 1.6696548437852703
- λ
- 550 nm
- A
- 2.718364
- B
- -0.009306715 μm-2
- C
- 0.02090148 μm2
- D
- 0.0001588714 μm4
- E
- 0.00004065932 μm6
- F
- -8.563966e-7 μm8
- G
- 0 μm10
- H
- 0 μm12
Material 2
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7911546764766992
- λ
- 550 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
AC508-075-A-ML 50.8 mm Dia. E-BAF11/N-SF11 Mounted Achromatic Doublet; EFL=75mm 400-700nm
The AC508-075-A-ML is a mounted achromatic doublet lens, designed and manufactured by Thorlabs. This lens is specifically engineered for use within the 400-700nm wavelength range, making it suitable for a wide array of optical applications. The lens boasts a 50.8mm diameter and an effective focal length (EFL) of 75mm, providing a substantial working distance and high-resolution imaging capabilities.
The lens is constructed from two distinct materials, BAF11 and N-SF11, which are strategically arranged to minimize chromatic aberration. The front surface of the lens is coated with THo AC400-700-A, a proprietary coating developed by Thorlabs, to enhance transmission and protect the lens from environmental hazards. The back surface of the lens also features the same coating for consistent performance.
The lens is mounted, providing a convenient and secure method of integration into optical systems. The mounting design ensures the lens remains in alignment, reducing the need for frequent adjustments and increasing the overall efficiency of the system. The mount also facilitates easy removal and replacement of the lens, should the need arise.
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