zemax can help to design many kinds of optical systems. Here are the basic steps: 3Jlap=]68S
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1. make spec for your system 7`&ISRU4
2. make initial design {7@*cBqN
3. choose glass materials B(94; ,(
4. analysize the abration and image... ^.\O)K {h
5. modify and optimze them (this is the core of the design). d[J_iD{ &
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To do these, you need to study basic knowledge of geometric optics.