I think by changing the aperturesetting, you should be able to get good pictures with flash.
我想借由改变孔径设定，你应该可以用闪光灯拍出好的照片。
2
He rarely used a light meter or checked his aperturesetting, and he seldom took more than a few shots of a single subject.
他很少用曝光表，也不检查光圈，对拍摄对象拍不了几张照片。
3
The simplest way to do this is to choose a small Aperturesetting (a large number) as the smaller your aperture the greater the depth of field in your shots.