zemax can help to design many kinds of optical systems. Here are the basic steps: "jEf$ ]
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1. make spec for your system H| 1O>p&
2. make initial design &[ 4lP~
3. choose glass materials J,]U"+;H
4. analysize the abration and image... Ee -yP[2
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5. modify and optimze them (this is the core of the design). }dO^q-t$3
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To do these, you need to study basic knowledge of geometric optics.
