In fact, using digital cameras provide default mode, phase opportunities from two aspects of the aperture and shutter speed on the adjustment, in order to make the amount of light, doubled.
实际上，使用数码相机提供的预设模式时，相机会从光圈和快门速度两方面进行调节，以使通光量翻倍。
The composition of trajectory camera and working principle of the phase controller of revolution shutter are analyzed.
分析了弹道相机系统的构成，并对弹道相机的最主要部分——旋转快门相位控制器工作原理进行剖析。
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