aspherical


Also found in: Dictionary, Thesaurus, Wikipedia.

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.
Mentioned in ?
References in periodicals archive ?
The MX-1700 ZOOM is the first digital camera of its kind to have an all-glass aspherical zoom lens.
Until this year, the only Docter-Optic riflescope available with aspherical lenses was the 8x56mm fixed-power model.
Aspherical Optical Technology eliminates image distortions and provides corner-to-corner sharpness.
1 intraocular lenses, aspherical, foldable, one-part, acrylic, hydrophilic task no.
The new 42mm lightweight binocular series from Minox features aspherical lenses for a sharp, high contrast, detailed image over the entire field of view.
flexible (soft) hydrophobic acrylic monoblock aspherical intraocular lenses with a uv filter and the function of protecting the retina of the eye from the phototoxic effect of blue light, complete with a cartridge for implantation of flexible iols through a 2.
Realizing consistently high resolution across the entire frame, even at F1.8, the FE 135mm F1.8 GM boasts an innovative optical design that places XA (extreme aspherical) and Super ED (Extra-low Dispersion) glass elements in the front group to effectively suppress all common telephoto lens aberrations.
Foldable single-body hydrophilic acrylate aspherical micro-tension lens 1500 pcs the detailed technical description is contained in the word format that is attached to the documentation.
flexible (soft) hydrophobic acrylic monoblock aspherical intraocular lenses with the function of protecting the retina of the eye from the phototoxic effect of blue light for implantation through cuts 2.
intraocular acrylic flexible aspherical hydrophobic monoblock lens with uv filter 300 pcs.
Request for quotations : high-dioptric aspherical lens for the study of eye environments 60dnmp
Tenders are invited for Set of ligh weighted aspherical optical components