Under non-sequential mode, you may use }zLe;1Tx
$8_*LR$
Toroidal Lens which support aspheric surface S@_@hFV jd
5l(;+#3y/
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. |l)Oy#W
O8dDoP\F2
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.