So I have a Sony NEX-F3 and I'm running the stock lens that comes with it.
to be honest I mostly just throw it on a pre-setting/auto+ and snap shots, just wondering if I should upgrade to a better lens, was looking at this zeiss.
http://www.bhphotovideo.com/bnh/controller/home?O=productlist&sku=970835&Q=&is=REG&A=details