VILTROX JY680A Universal 600LM 5500K Speedlite for Canon / Nikon + More - Black (4 x AA)
Guide number: GN33 (ISO100 focal length 100mm); Manual zoom flash coverage can up to 24-100mm; LCD display; Adjustable power range 22-level lowest is 1/128; Flash duration </= 1.2ms short recycle time : 0.1~5s; With 4 x AA batteries supports 100~700 lighting times; GN: 50; Zoom range: 24~105mm (14~105mm with scatter plate); Lighting times: 100 ~ 700 times (lithium battery or NI-MH battery); Recycle time : 0.1~3s; Type: M S1 S2 mode stroboscopic mode simulate flash; External interface: hot shoe; With energy saving mode overheating protection.