this is an example of long exposure and fast shutter speed, it captures a series of movements in one picture. It is also a helpful technique when working with dancers and musicians. The equipment needed for this is a camera, spare batteries and lenses.
Self-portrait of the photographer, Travis Burke, shooting the Milky Way under Utah’s Delicate Arch, with a little creative lighting from a flashlight. Camera settings: F/2.8, 50 sec., ISO 1600. Photo by Travis Burke