Article ID : 00081172 / Last Modified : 12/08/2017

What Is the Difference Between Eye AF and Eye-Start AF?

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The Eye AF and Eye-Start AF are two different technologies that do two different things.

What Is Eye AF?

Eye AF is a feature that allows the camera to automatically focus on the eyes of a subject.

What Is Eye-Start AF?

Eye-Start AF is a feature that allows the camera to start auto focusing on your subject as soon as you put your eye on the viewfinder.

Note: Eye-Start AF is only available when an A-Mount lens and A-Mount adapter, such as LA-EA2 and LA-EA4, are attached.