zemax can help to design many kinds of optical systems. Here are the basic steps: hrt]Qn&
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1. make spec for your system
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2. make initial design -55Pvg0ND
3. choose glass materials hj8S#
4. analysize the abration and image... pjI<
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5. modify and optimze them (this is the core of the design). Gx.iZOOH/
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To do these, you need to study basic knowledge of geometric optics.