The Sony Alpha 7 IV (ILCE-7M4) is a full-frame mirrorless camera with a 33 MP BSI-CMOS sensor, BIONZ XR processor, real-time AF with animal/bird recognition, 5-axis IBIS, 4K60p video (Super 35), and 10 fps burst shooting. It represents a significant resolution and video upgrade over the A7 III for enthusiast hybrid shooters. The A7 IV is the fourth generation of Sony's core Alpha 7 full-frame lineup.