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KBX148 50.8 mm Dia. x 75.6 mm FL; Uncoated; Double-Convex Lens

KBX148 50.8 mm Dia. x 75.6 mm FL; Uncoated; Double-Convex Lens

Type
Lens
Subtype
Spherical Lens (Convex-Convex)
Brand
MKS/Newport
Product webpage
MKS/Newport products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
50.8 mm
EFL
75.6 mm
BFL
71.63 mm
R1
76.09 mm
R2
-76.09 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167401204613524
λ
589 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

KBX148 50.8 mm Dia. x 75.6 mm FL; Uncoated; Double-Convex Lens

The KBX148 is a high-quality, double-convex lens offered by MKS/Newport. This lens boasts a diameter of 50.8 mm and a focal length of 75.6 mm, making it suitable for a wide range of optical applications. The lens is made from N-BK7 Schott, a popular material in the optical industry due to its excellent optical properties and high damage threshold.

The KBX148 features a spherical design, with both surfaces curved outwards. The first surface has a radius of curvature of 76.09 mm, while the second surface has a radius of -76.09 mm. This design results in a back focal length of 71.63 mm. The lens has a central thickness of 11.729 mm and an edge thickness of 3 mm, providing robustness and durability.

This lens is uncoated, which means it does not have any anti-reflective or protective coatings. While this may result in higher reflective losses, it can be beneficial in applications where coatings may interfere with the desired optical properties. The lens is designed to operate at a wavelength of 589 nm.

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