Definition of aspheric in English:

aspheric

adjective

  • See aspherical

    • ‘Typically, the designer adds more lens elements or applies small perturbations to spherical shapes using aspheric surfaces.’
    • ‘Designs incorporating aspheric optics can magnify the image by about 20X; higher values require folded compound magnification schemes.’
    • ‘The system uses a generalized aspheric optic element placed near the aperture stop of an optical instrument to produce these results.’
    • ‘The element can be a separate component, or it can be integrated onto a traditional lens element by the addition of a generalized aspheric surface.’
    • ‘The eye's optical system consists primarily of the cornea and the lens, and the corneal surfaces are aspheric.’