zemax can help to design many kinds of optical systems. Here are the basic steps: Wm/0Y'$r&k
HNRZ59Yyq
1. make spec for your system [BpIzhy&}
2. make initial design v/E_A3Ay&
3. choose glass materials (gv1f
4. analysize the abration and image... wYrb P11
5. modify and optimze them (this is the core of the design). !kl9X-IiI
lIg;>|'Z5&
To do these, you need to study basic knowledge of geometric optics.