Hi, allow me using English to reply to your enquiry as it's not convenient for me to type Chinese. {}Is&^3Z i+~BVb Regarding your question, I would suggest you defining some parameters first before air it out; [v*q%Mi_ rrj.]^E_~ 1. What wavelength(s) are you operating? o'(BL:8s 2. How many components could you use? (any limitation?) '2<r{ 3. Do you prefer using off-shelf lens to customised lens? Or do you have budget for customised lens? cYC^;,C &| eQ8t.~5;- There are some examples in ZEMAX ' F9gp!s8~ Qb/:E}h]$ Under Program Files\ZEMAX\Samples\Sequential\Objectives, you should be able to find some examples. I believe that with properly selection of variables you should be able to achieve an optical solution for the performance target you specified. hf2bM
`d >,3 uu}s hope this helps :)