zemax can help to design many kinds of optical systems. Here are the basic steps: ]#5^&w)'
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1. make spec for your system O#G|
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2. make initial design ;dOs0/UM&
3. choose glass materials >2Ca5C
4. analysize the abration and image... 6l[G1KkV
5. modify and optimze them (this is the core of the design). r{Z[xWIX
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To do these, you need to study basic knowledge of geometric optics.