ACN127-050-A 12.7 mm Dia. N-BAK4/SF5 Unmounted Achromatic Doublet; EFL=-50mm 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- R1
- -25.6 mm
- R2
- 25.6 mm
Material 1
- Name
- N-BAK4
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5709961571059783
- λ
- 550 nm
- B1
- 1.28834642
- C1
- 0.00779980626 μm2
- B2
- 0.132817724
- C2
- 0.0315631177 μm2
- B3
- 0.945395373
- C3
- 105.965875 μm2
Material 2
- Name
- SF5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6771178435097918
- λ
- 550 nm
- B1
- 1.46141885
- C1
- 0.0111826126 μm2
- B2
- 0.247713019
- C2
- 0.0508594669 μm2
- B3
- 0.949995832
- C3
- 112.041888 μm2
ACN127-050-A 12.7 mm Dia. N-BAK4/SF5 Unmounted Achromatic Doublet; EFL=-50mm 400-700nm
The ACN127-050-A is a high-quality, unmounted achromatic doublet lens from Thorlabs, designed for use in the 400-700nm spectral range. This lens, with a diameter of 12.7mm, is a multiplet type, featuring a complex geometry that includes three radii (r1, r2, and r3) and three thicknesses (thickness edge, thickness center 1, and thickness center 2).
The lens is made from two types of Schott glass, n-BAK4 and SF5, which are renowned for their excellent optical properties. The lens is coated with Thorlabs' proprietary THo AC400-700-A coating on both the front and back surfaces, enhancing its performance in the specified spectral range.
The lens has an effective focal length (EFL) of -50mm, making it suitable for use in a variety of optical systems where a negative lens is required. The catalog number ACN127-050-A can be used to directly access the product page on Thorlabs' website, where more information and specifications can be found. The current status of the item is 'in stock', indicating its availability for immediate purchase and delivery.
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