What is a Global Shutter? The Sony a9 III is Actually for More than Speed
The Sony a9 series is innovative — but it’s also overkill if you don’t photograph sports or wildlife. That’s changing with the Sony a9 III, however, because of a feature called a global shutter. A first for full-frame cameras, the global shutter inside the Sony a9 II solves a few issues that plague photographers beyond just capturing fast action.