zemax can help to design many kinds of optical systems. Here are the basic steps: 5;XYF0
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1. make spec for your system v-q-CI?B#
2. make initial design 3/yt
3. choose glass materials YhfQpe
4. analysize the abration and image... 4#]g852
5. modify and optimze them (this is the core of the design). ZZTf/s*
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To do these, you need to study basic knowledge of geometric optics.