Hi, allow me using English to reply to your enquiry as it's not convenient for me to type Chinese.
Ty`-r5 v57N^DR{ Regarding your question, I would suggest you defining some parameters first before air it out;
?F!EB4E\y} P#AAOSlLV 1. What wavelength(s) are you operating?
\BN|?r$a 2. How many components could you use? (any limitation?)
}*?yHJ3 3. Do you prefer using off-shelf lens to customised lens? Or do you have budget for customised lens?
k%{ l4 w@87]/