Previous Zoom
A "Previous Zoom" or "Previous View" command which would change the zoom/magnification to the most recent zoom state. Also the option to center on selection or artboard. This will allow users to toggle between magnification of say 400% and 3200% or 5% and 1200% if they're regularly checking for details and positioning within a larger document which I do constantly in a prepress environment.

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RJGFX commented
Agree with Michael's comment, returning to previous view transform is something I constantly wish were available and would greatly speed production, I know we can save views but its tedious and slows you down- often you just need to pop out to view from a greater distance but being able to immediately return back to the detail you were working on saves all the fumbling around with getting back to where you just were seconds ago
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Richard Blackwell commented
Yes lets do this. So useful when using live paint tools to color fine details in a complex file.
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Michael Borop commented
Great suggestion. Previous View, in which Illustrator would return to the previous zoom level and extent, would be better than Previous Zoom (without specifying extent) in my opinion.