Hi, allow me using English to reply to your enquiry as it's not convenient for me to type Chinese. 3}fOb Ds">eNq Regarding your question, I would suggest you defining some parameters first before air it out; (4+P7Z,Nc n^4R]9U 1. What wavelength(s) are you operating? {=ox1+d 2. How many components could you use? (any limitation?) Qu61$! 3. Do you prefer using off-shelf lens to customised lens? Or do you have budget for customised lens? P }sr MNd\)nX There are some examples in ZEMAX ApCU|*r) 13X}pnW 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. G tI )O} 6eV#x%z@v' hope this helps :)