zemax can help to design many kinds of optical systems. Here are the basic steps: HX'FYt/?t
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1. make spec for your system S)QAXjH
2. make initial design S6}@I ,Q
3. choose glass materials U4m9e|/H;z
4. analysize the abration and image... ]{"Br$
5. modify and optimze them (this is the core of the design). ,NnhHb2\
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To do these, you need to study basic knowledge of geometric optics.