这本书基本上是写给拥有单反相机的人的(数码或胶片)。
This is a book written mostly for people with SLR cameras (film or digital).
低成本“ prosumer ”数码单反相机的涌现。
你们也许已经知道,大多数数码单反相机(同时也是大多数的单反相机,不论数码或胶片)有个最快闪光同步速度。
As you probably know, most DSLR's (and most any kind of SLR, digital or not) have a maximum flash sync speed.
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