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A397-A 7.2 mm Dia. H-LAK54 Molded Glass Aspheric Lenses; EFL=11 mm; NA=0.3 AR 350-700nm

A397-A 7.2 mm Dia. H-LAK54 Molded Glass Aspheric Lenses; EFL=11 mm; NA=0.3 AR 350-700nm

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

Properties

Shape
Circular
Diameter
7.2 mm
EFL
11 mm
R1
-107.51 mm
R2
-7.47 mm

Material

Name
H-LAK54
Dispersion Equation
Sellmeier
n (λ)
1.7289677545434072
λ
670 nm
B1
1.20772937
C1
0.0176389155 μm2
B2
0.737418371
C2
0.000666515982 μm2
B3
1.35749026
C3
96.9938806 μm2

A397-A 7.2 mm Dia. H-LAK54 Molded Glass Aspheric Lenses; EFL=11 mm; NA=0.3 AR 350-700nm

The A397-A is a high-quality aspheric lens from Thorlabs, designed with a 7.2 mm diameter and a molded H-LAK54 glass substrate. This lens is specifically engineered for use in the visible spectrum, with a wavelength of 670 nm. The lens boasts an effective focal length (EFL) of 11 mm, making it suitable for a wide range of optical applications.

The lens features a high numerical aperture (NA) of 0.3, which allows for a larger light-gathering capacity and improved resolution. The aspheric design of the lens helps to minimize spherical aberration, ensuring superior image quality. The lens has a center thickness of 2.2 mm and an edge thickness of 1.36 mm, providing excellent durability and resistance to mechanical stress.

The A397-A lens is coated with Thorlabs' anti-reflection coating, which is designed to reduce surface reflections and improve transmission in the 350-700 nm range. This coating enhances the lens's performance in a variety of lighting conditions and applications.

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