Recall Zoom 1 ⌃⌥⌘1
Recalls Zoom setting 1. More practice is needed. Zoom and screensets are the collaborators of focus.
When you zoom in or out, the top-left (and selected) event or region remains in the visible area of the screen. If no selected region or event is visible, zooming is centered around the playhead. If the playhead isn’t visible, the current center of the window is retained.