‣Table of ContentsHardwareMemory Typeuhs-i u3/uhs-ii u3SettingsFocus ModesSony A7 III, A7R III, A9 Autofocus SettingsThe autofocus of your Sony A7 III is among the best you can find today but it is far from the only Sony model that can claim that statement. In fact, all recent Sony E-mount cameras perform really well, with the Sony A9 setting the benchmark in the mirrorless category.mirrorlesscomparison.comFocus Confirmation BeepSetting located under camera icon 2 menu, tab 9/9, setting Audio Signals.