480ex:
Guide Number - 141 ft./43m (at ISO 100); flash head at 105mm zoom setting
Recycling Time - Approx. 0.1 to 3.7 seconds (AA-size Alkaline Batteries)/0.1 to 2 seconds (AA-size Ni-MH batteries)
Flash Range - At ISO 100, with EF 50mm f/1.4
For normal flash: Approx. 2.3-79.7 ft./0.7-24.3m
For high sync speed (EF flash): Approx. 2.3-39.4 ft./0.7-12m
http://consumer.usa.canon.com/ir/controller?act=ModelTechSpecsAct&fcategoryid=141&modelid=11923
580ex:
Guide Number - 190 (at ISO 100, feet) / 58 (meters); flash head at 105mm zoom setting
Recycling Time - Approx. 0.1 to 6 seconds, with fresh AA-size alkaline batteries
Flash Range - (At ISO 100, with 50mm f/1.4 lens at f/1.4) -- Approx. 1.6 to 98 feet / 0.5 to 30m
http://consumer.usa.canon.com/ir/controller?act=ModelTechSpecsAct&fcategoryid=141&modelid=10514
距離 － 580勝！直到30公尺 （430@24公尺)
回力 － 430勝！最快是3。7秒 （580@6秒）
答案是3秒
內文搜尋
從 APP 打開
X