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114-0220E 25.4 mm Dia. x -150 mm FL; Uncoated; Double-Concave Lens

114-0220E 25.4 mm Dia. x -150 mm FL; Uncoated; Double-Concave Lens

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

Properties

Shape
Circular
Diameter
25.4 mm
EFL
-150 mm
R1
-156.1 mm
R2
156.1 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5187257728940171
λ
546 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

114-0220E 25.4 mm Dia. x -150 mm FL; Uncoated; Double-Concave Lens

The 114-0220E is a high-quality double-concave lens, sourced from the reputable optical components manufacturer, EKSMA Optics. This lens is characterized by its concave-concave base shape and circular geometry, making it suitable for a wide range of optical applications.

The lens has a diameter of 25.4 mm and a thickness that varies from 4 mm at the edge to 3 mm at the center. It boasts an effective focal length (EFL) of -150 mm, indicating its diverging nature, which is further emphasized by its radii of curvature, r1 and r2, which are -156.1 mm and 156.1 mm respectively. The lens's inner and outer radii are both 0, suggesting a symmetrical design.

The lens is made from n-BK7 Schott, a popular optical glass known for its excellent optical properties and versatility. It is designed to operate at a wavelength of 546 nm. The lens does not come with any coating, offering users the flexibility to apply the coating that best suits their specific application requirements.

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