On the Viewer List screen, you can preview images using different Zoom Viewer Presets.
See Previewing an asset.
To preview image assets with different zoom viewers
In the Asset Library panel on the left side, in the Show drop-down list, select an image-based asset type such as Image or Image Set.
In the Asset Library panel on the left side, navigate the Asset folders that contain images that you want to preview with a Zoom Viewer.
Do one of the following:
In the Viewer List window, in the table, click a viewer link to preview the asset in the selected viewer.
Close the displayed viewer to return to the Viewer List screen.
In the lower-right corner of the Viewer List window, click Close to return to the Assets screen.