6
Mastering the Autofocus Options
When the a6000 was introduced, Sony boasted that the camera had the fastest autofocus system in the world. That’s saying a lot, because, as you’ll learn in this chapter, mirrorless cameras have one serious hurdle to overcome on the way to world-class AF speed. Until recently, such cameras have depended on a particularly slow method of autofocus, called contrast detection, based solely on what the sensor sees. The much speedier phase detection system was limited to digital SLR cameras (and SLR-like cameras such as the Sony Alpha SLT lineup), because they could use dedicated AF sensors that operated much more quickly and precisely. I’m going to explain both types of autofocus systems in this chapter, and show ...
Get David Busch’s Sony Alpha a6000/ILCE-6000 Guide to Digital Photography now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
