As the name implies, the Sony Alpha a6400 sits well between the Alpha a6300 and Alpha a6500. The device falls in the entry-level category in Sony’s camera lineup. Nonetheless, the mirrorless camera packs some of the noteworthy upgrades over its predecessor.
The primary upgrade over the a6300 is the inclusion of Real-time Eye Autofocus and AI-based subject recognition. And it’s the first-ever Sony Alpha camera to feature such notable features. Apart from that, the mirrorless camera detects and focuses on the subject very fast. 0.02s to be precise. At that speed, the a6400 is the by far the fastest camera when it comes to focusing on a subject. Sony has included 850 AF points (425 Phase Detection AF points and 425 Contrast Detection AF points) on the a6400