引用:
作者: -GoGoGo-
闪光指数不是米, 是ISO100的时候, 光圈和距离, 您赶紧的去GOOGLE大学进修一下有关知识 
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下面这段话是俺在GOOGLE大学进修到的, 58 和 43分别是可以REACH到的范围, 单位是米.
"One of big advantages of 580EX II is the output power. It can reach 35% farther than 430EX II can (58 meters vs. 43 meters), which makes it 82% more powerful than 430EX II. And when it comes to diffusing, bouncing or reaching far away the more power you have the better. However, Canon 430EX II can be sufficient for a wide range of applications. "
俺拍舞台一般都在二楼(买不起一层VIP的票), 全幅用不上, 也够不到明星大妈
