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65-284 2.5mm Dia. x 2.0mm FL; VIS 0deg Coated; Plano-Convex Lens VIS 0° 425-675nm

65-284 2.5mm Dia. x 2.0mm FL; VIS 0deg Coated; Plano-Convex Lens VIS 0° 425-675nm

Type
Lens
Subtype
Spherical Lens (Plano-Convex)
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
2.5 mm
EFL
2 mm
BFL
1.57 mm
R1
1.7 mm

Material

Name
N-LASF9
Dispersion Equation
Sellmeier
n (λ)
1.8502442055719617
λ
587.6 nm
B1
2.00029547
C1
0.0121426017 μm2
B2
0.298926886
C2
0.0538736236 μm2
B3
1.80691843
C3
156.530829 μm2

65-284 2.5mm Dia. x 2.0mm FL; VIS 0° Coated; Plano-Convex Lens VIS 0° 425-675nm

The 65-284 is a Plano-Convex Lens, a type of spherical lens, sourced from Edmund Optics. It boasts a 2.5mm diameter and a 2.0mm focal length, making it a compact and efficient optical component. The lens is made from n-lasf9 Schott, a material known for its high refractive index and low dispersion, ensuring excellent image quality and color correction.

The lens features a standard VIS 0° coating on both the front and back surfaces. This coating enhances the lens's transmission in the visible spectrum, specifically between 425-675nm, and reduces surface reflections, thereby increasing the overall system efficiency. The front surface of the lens has a 1.7mm radius of curvature, while the back surface has a 1.57mm radius, contributing to its plano-convex shape.

The lens's effective focal length (EFL) is 2mm, and its back focal length (BFL) is 1.57mm. The edge thickness of the lens is 0.25mm, while the center thickness is 0.8mm. The lens is circular in base shape, and its geometry is designed for optimal performance in various optical systems.

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