zemax can help to design many kinds of optical systems. Here are the basic steps: v'Py[[R
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1. make spec for your system ea[a)Z7#
2. make initial design O6/=/-?N=c
3. choose glass materials P@T $6%~
4. analysize the abration and image... qP .VK?jF|
5. modify and optimze them (this is the core of the design). D]>86&
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To do these, you need to study basic knowledge of geometric optics.