Max Shutter speed
Nikon 1 V3 can shoot continuously at max speed of
60 fps and has max shutter speed of
1/4000 sec. 1 V3 also has an electronic shutter which can shoot silently at max speed of
1/16000s. One thing to keep in mind is that electronic shutter may cause rolling shutter / jello effects, and also banding issues under artificial light on your images.
Flash
1 V3 has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Focusing
Nikon 1 V3 features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 171 points to choose from. Nikon 1 V3 also features
Face detection AF where it intelligently detects the faces in the frame and locks the focus automatically.