You can view single or multiple images using Apple's Quick Look feature. You can preview multiple file formats including images, video, music or audio, documents and spreadsheets in a separate window.
In Manage mode, select a file in the File List pane and do one of the following:
When Quick Look is open, do one of the following:
You can move the Quick Look window onto a second monitor to browse your images in full screen at the same time as browsing your list in manage mode.