zemax can help to design many kinds of optical systems. Here are the basic steps: 1`z^Xk8vt
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1. make spec for your system o6LZ05Z-&
2. make initial design :SD^?.W\iT
3. choose glass materials e+ckn
4. analysize the abration and image... U6M3,"?
5. modify and optimze them (this is the core of the design). y%4G[Dz
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To do these, you need to study basic knowledge of geometric optics.