Is Real-time Eye AF on Alpha and Xperia the same?
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The Eye-tracking algorithm is the same; however, the performance (accuracy/speed) is different due to hardware differences.
In the Xperia® 1 II, Xperia 5 II, Xperia PRO, Xperia 1 III, Xperia 5 III, Xperia PRO-I, Xperia 1 IV, Xperia 5 IV, and Xperia 1 V, you can get the Real-time Eye AF for humans and animals with simple touch-and-select the priority subject without prior settings.