zemax can help to design many kinds of optical systems. Here are the basic steps: J>dIEW%u
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1. make spec for your system KJYcP72P
2. make initial design Rc2JgV
3. choose glass materials M"s+k
4. analysize the abration and image... (b#4Z
5. modify and optimze them (this is the core of the design). a\ZNN k
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To do these, you need to study basic knowledge of geometric optics.