A:Answer Shutter speed on the Nikon COOLPIX A900 digital camera, when using high-speed continuous shooting, is 1/4000 of a second. In addition, there are many focus options that could be used to achieve a quick focus lock on your moving subject such as Target Finding AF, Subject Tracking, and Face Priority. Additionally, this camera has a Sports mode option that allows you to capture 7 images continuously at a rate of 7 frames per second, so no action is missed.