aspheric lens

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a·spher·ic lens

a lens with a paraboloidal surface that eliminates spheric aberration.
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7 - hydrophobic acrylic collapsible lens with aspherical lens cartridge allows the implantation
2 MP 1-inch sensor, 6-element aspherical lens with an adjustable aperture of f/1.
It uses Sony CMOS sensor and seven-element aspherical lens technology.
The lens unit was realized with HOYA's technology in glass lens molding for aspherical lens, and optical design and manufacturing for compact camera lens unit.
The use of Special Low Dispersion (SLD) glass that is accompanied by aspherical lens elements to compensate for a variety of aberrations and allow for a more compact size.
6 fisheye lens for SLR cameras, released in 1968, was the world's first lens to incorporate aspherical lens elements.
BenQ G1's lens was constructed from seven lens elements in six groups, including an aspherical lens element that improves focus and image integrity by correcting visual aberrations and minimising illumination loss, the statement said.
The aspherical lens adopted to enhance the lens' focus is made of high -- transmission, low -- dispersion materials and features a nano -- scale, anti -- reflection coating.
Aspherical lens doubles the intensity of the received laser reflection.
The lens combines aspherical lens elements and ED (extra-low dispersion) lens for high optical precision, offering high resolution and minimal chromatic aberration at all settings, from 28mm wide-angle to 560mm super telephoto.
These models use a unique aspherical lens to project a larger image from a shorter distance without compromising picture quality.
With large aperture lenses, the only effective way to thoroughly compensate spherical aberration is to use an aspherical lens element.