zemax can help to design many kinds of optical systems. Here are the basic steps: "H7dft/
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1. make spec for your system urbp#G/>
2. make initial design @P#N2:jwj
3. choose glass materials )F}F_Y
4. analysize the abration and image... Dt}JG6 S
5. modify and optimze them (this is the core of the design). |t^E~HLm,
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To do these, you need to study basic knowledge of geometric optics.