zemax can help to design many kinds of optical systems. Here are the basic steps: @l0#C5(:
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1. make spec for your system b7It8
2. make initial design
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3. choose glass materials Ly?gpOqu5
4. analysize the abration and image... ,%+i}H,3
5. modify and optimze them (this is the core of the design). 9=D\xBd|w
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To do these, you need to study basic knowledge of geometric optics.