Under non-sequential mode, you may use "{z9 L+
j@GMZz<
Toroidal Lens which support aspheric surface y^;qT_)#
=!#DUfQf
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. o<Y|N
;2L=WR%
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.