It's of course since been outdone by the AI autofocus in the newer models like the A7R V, A7C II and the crop-sensor A6700, but the AF in the A7 IV is still reliable and effective nonetheless.

As Jim Fisher puts it: "The Sony a7R V takes everything photographers loved about the a7R IV and makes it a little bit better." Rated "Outstanding" in our review, it's also PCMag's Editors' Choice ...

After countless hours of hands-on testing Sony's latest and greatest cameras, we think the top option for most people remains the full-frame Sony A7 IV. With its impressive 33MP sensor ...

but they did at least offer tangible improvements over the original Sony A7R III and Sony A7R IV models, namely: • LCD screen resolution has increased from 1.44 million dots to 2,359,296 dots ...