Voeloon v200(oloong sp-680) wireless ttl professional flash speedlight
1) 24-180 manual zoom
2) simultaneously compatible to nikon & canon wireless ttl flash system
3) guide number:35(iso100, 35mm);gn50(iso100, 180mm)
4) fast recycling time:2s(full power output, 4*aa ni-mh batteries)
5) f1/f2 flash mode(support for multiple lamp lighting system)
6) overheating protection(comes with the temperature detection system)
7) lcd display led-backlit
8) 22 level manual light quantity output control system
9) for nikon, canon, olympus & pentax
10) applicable to wireless ttl compatible modes: nikon d90, d700, d7000, d300s, flashlight sb700/800/900/910/su800; canon: 600d, 60d, flashlight 580ex¡ì¡à, st-e2