Magnify

Click the Magnify tool and then click the image to zoom in, or scrub the tool.

You can also specify the zoom factor by selecting a value from the Zoom Factor list at the bottom of the Toolbar.

Press Alt (Windows) or Option (Macintosh) and click the viewport to zoom out.

To zoom in on a specific area of the image, press Ctrl (Windows) or Command (Macintosh) and draw a selection box over the appropriate area.

To return to the default zoom factor setting, click the Home button above the Toolbar.