Funny timing neavissa! Just in the last day or so it was announced that XAircraft just secured $20 million in funding. Hehe.
http://www.chinamoneynetwork.com/2014/09/01/chengwei-capital-invests-20m-in-chinas-xaircraft
I could definitely see getting a higher quality piece of glass, which would be heavier. But a prime would be the ticket. No zoom. No point in using that on a multirotor.