aspherical


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aspherical 

Literally 'not spherical' but this term is usually restricted to surfaces of revolution having identical but non-circular (e.g. parabolic) sections in all meridians (British Standard). See aspherical lens.
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Additionally, this compact lens features ED and Aspherical lens elements for extreme sharpness while minimizing ghosting and flare.
The Global Aspherical Lense Industry Report 2015 is a professional and in-depth study on the current state of the aspherical lense industry.
Aquagrip creates a'water envelope,'surrounding the lens for silky comfort, while the aspherical design reduces spherical aberrations, especially in dim light.
6m aspherical secondary mirror was required, which would itself be made from 216 segments.
He not only wants to modify the shape of the camera lens, making it aspherical, but to link together thousands of microcameras behind the main lens too.
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.
That same engineering goes into our optics," Kortemeier said, who easily explains the merits of SCHOTT flouride ED-glass, aspherical lenses, Quick Close Focus, magnesium construction and more.
This compendium for optical development and production engineers presents the state of the art in optical design and production technology related to aspherical lenses.
2-millimeter IR varifocal lens features aspherical optics to provide a fast F1.
The workpiece is routed around the periphery of the grinding wheel by X- and Z-axis interpolation to produce either a spherical or an aspherical shape.
We study the string topology BV algebra of aspherical manifolds.
manufacturer of high-performance molded glass and has over 20 years of experience molding visible and near-infrared aspherical optics.