Over a year had elapsed since Sony last announced a full-frame Alpha series model, the incredibly popular A7 III. Last week, that all changed with the arrival of the fourth generation model in the high resolution A7R series, the A7R IV.

Despite the significant age gap, the A7R IV and A7 III are the two most recent full-frame models from Sony, so many users will naturally be wondering how their specifications compare – and more important, whether Sony has made a leap forward in terms of imaging technology. In this preview, we hope to provide you with all the answers!
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https://mirrorlesscomparison.com/preview/a7r-iv-vs-a7-iii/