The Zoom Movie dialog box allows you to specify any arbitrary zoom level to start a zoom movie at. Normally all zoom movies start at zero zooms, but now they can start at any zoom level - as long as it is smaller than the destination zoom level.
This allows you to create zoom movies that start so far out that the Mandelbrot set isn't even visible - with a start zoom of negative ten. Or you can start at a zoom level of 1000 and make a zoom movie that goes into zoom level 1100.
To open the Zoom Movie dialog box: On the Render menu, click Make Zoom Movie. The advanced flag in preferences must be enabled for this dialog box to appear - otherwise just a file dialog will appear to select your destination location..
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