zemax can help to design many kinds of optical systems. Here are the basic steps: ]xB6cPdLu
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1. make spec for your system Et0&E
2. make initial design j}RM.C\7
3. choose glass materials _U=S]2QW
4. analysize the abration and image... %jgg59
5. modify and optimze them (this is the core of the design). 5|m9:Hv[#
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To do these, you need to study basic knowledge of geometric optics.