As you probably know, most DSLR's (and most any kind of SLR, digital or not) have a maximum flash sync speed.

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。

youdao

As you probably know, most DSLR's (and most any kind of SLR, digital or not) have a maximum flash sync speed.

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。

youdao