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LC1439 N-BK7 Plano-Concave Lens; Dia:0.5 in; f=-50.0 mm Uncoated

LC1439 N-BK7 Plano-Concave Lens; Dia:0.5 in; f=-50.0 mm Uncoated

Type
Lens
Subtype
Spherical Lens (Plano-Concave)
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
12.7 mm
EFL
-50 mm
BFL
-52.3 mm
R1
-25.7 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167984379050088
λ
587.6 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

LC1439 N-BK7 Plano-Concave Lens; Dia:0.5 in; f=-50.0 mm Uncoated

The LC1439 is a plano-concave lens from Thorlabs, featuring a spherical geometry and a circular base shape. This lens is designed with a diameter of 0.5 inches (12.7 mm) and a thickness at the edge of 4.3 mm, while the center thickness measures 3.5 mm. The effective focal length (EFL) of this lens is -50 mm, making it suitable for a variety of applications.

The lens is made of n-BK7 Schott glass, a popular material in the optical industry due to its excellent optical properties. The concave surface of the lens has a radius of curvature of -25.7 mm, and the back focal length (BFL) is -52.3 mm. The lens does not have any coating, which is indicated by 'Uncoated' in its name.

This lens is intended for use with a wavelength of 587.6 nm. The 'Spherical' shape of the lens ensures that light rays passing through the lens are refracted evenly, making it suitable for a wide range of optical systems.

The lens is currently in stock and available for purchase through the vendor's website, as indicated by the 'Valid - in stock' status in the item data.

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