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ACN127-050-A 12.7 mm Dia. N-BAK4/SF5 Unmounted Achromatic Doublet; EFL=-50mm 400-700nm

ACN127-050-A 12.7 mm Dia. N-BAK4/SF5 Unmounted Achromatic Doublet; EFL=-50mm 400-700nm

Type
Lens
Subtype
Multiplets
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

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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