zemax can help to design many kinds of optical systems. Here are the basic steps: IMR$x(g=
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1. make spec for your system B}5XRgq
2. make initial design *2:Yf7rvI+
3. choose glass materials `w=!o.1
4. analysize the abration and image... ~y%7w5%Un
5. modify and optimze them (this is the core of the design). JWSq"N
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To do these, you need to study basic knowledge of geometric optics.