zemax can help to design many kinds of optical systems. Here are the basic steps: +Vsd%AnN"l
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1. make spec for your system 9-6E(D-ux
2. make initial design ;H%T5$:trP
3. choose glass materials JPt0k
4. analysize the abration and image... HT@/0MF{J
5. modify and optimze them (this is the core of the design). NR@n%p
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To do these, you need to study basic knowledge of geometric optics.