Under non-sequential mode, you may use 5yj6MaqJ
LWN9 D
Toroidal Lens which support aspheric surface Hq?dqg' %~
H:WuMw D4
or you may use Biconic Lens if you make use of conic constant alone to create aspheric surface. mgodvX
64<*\z_
Hope this would help, bu tbear in mind that diffraction effect is not modelable in non-sequential mode.