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Aperture 2: Tips on tethered shooting
Aperture 2 or later offers the option to shoot tethered, meaning that images are captured directly to your computer. Not all cameras support tethered shooting, and those that do may need to be set up in different ways in order to enable this functionality. Consult with your camera's documentation for specifics on settings. Read More...http://www.k2pedia.com/macos