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David Busch's Sony Alpha a7 IV Guide to Digital Photography is the most comprehensive resource and reference for Sony's long-awaited 33-megapixel full frame mirrorless camera. Capable of 10 frame-per-second bursts even at full resolution, the a7 IV is fast enough for action photography, and its enhanced dynamic range delivers the image quality that the most demanding landscape or fine-art photographer requires.

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Sony introduces Alpha 7 IV and Two New Flashes