Spherical lens element
doubletbi-convexF-theta

spherical lens element
spherical lens element
spherical lens element
spherical lens element
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Characteristics

Geometry/curvature
spherical, doublet, bi-convex, F-theta
Material
BK7, optical glass, silica
Optical characteristics
achromatic, NIR, UV
Applications
laser, optical, machine vision, FAC
Diameter

Min.: 1 cm
(0.39 in)

Max.: 100 cm
(39.37 in)

40 cm
(15.75 in)

Wavelength

Min.: 190 nm

Max.: 3,000,000 nm

Description

Achromatic Lens is generally the use of white light imaging optical system, by bonding two or three different dispersion coefficient of single lens can reduced values of spheric aberration and chromatic aberrations. Best used it replace single components where performance must be improved. Achromatic doublet lens is designed to eliminate chromatic and spherical aberrations inherent in singlet lenses. When used on-axis, an achromatic lens focuses an parallel input beam to a perfect "point", limited only by the effects of diffraction. This performance can be achieved over a broadband of wavelength. Achromatic triplet lens system comprising, in order from the object side, a first positive meniscus lens component having a convex surface on the object side, a second biconcave lens component, a third biconvex lens component and a stop; and configured so as to correct aspherical aberration and coma at the same time by using at least one aspherical surface on the second and the third lens components.

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