View photos at full resolution
A full-resolution view of a photo shows every pixel in the photo. You can set Aperture to display a photo at full resolution even though the photo may not fit within the Viewer. Viewing photos at full resolution allows you to inspect your photo using the finest level of detail possible.
When a photo doesn’t fit within the area of the Viewer, a small gray navigation box appears on the right side of the photo. You can drag the white rectangle within the navigation box to see other parts of the photo, also known as panning. You can also incrementally zoom in to and out of the photo at values from 25 to 1000 percent using the Zoom value slider at the bottom of the navigation box.
Display a selected photo at full resolution
Do one of the following:
Choose View > Zoom to Actual Size (or press Z).
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Click the Zoom Viewer button in the tool strip.
To turn off the full-resolution display, click the button again.
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Double-tap with two fingers.
To turn off the full-resolution display, double-tap with two fingers again.
Note: Smart zoom must be turned on in the Trackpad pane of System Preferences. For information about turning on smart zoom, see Help Center.
Pan a full-resolution photo in the Viewer
Do one of the following:
Drag the white rectangle that appears in the navigation box.
Drag the photo in the Viewer.
Zoom in to and out of a photo incrementally
To zoom in or out by single percentage increments: Click the right or left arrow in the Zoom value slider.
To quickly zoom in or out: Drag right or left in the Zoom value slider.
To zoom in or out using keyboard shortcuts: Press Command–Plus Sign (+) to zoom in, and Command–Minus Sign (–) to zoom out.