Under non-sequential mode, you may use =lIG#{`Q
{MK.jw9/
Toroidal Lens which support aspheric surface u
Ey>7I
fv?vO2nj
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. B16,c9[
]<\FtH
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.