s we revealed in chapter one, Lightroom can gather
photographs from a variety of locations (such as
external hard drives) into its Catalog. It then
creates and stores standard-resolution previews of
each imported photo on your PC’s hard drive, while storing
the original high-resolution images on your external hard
drives. This enables you to save valuable disc space on your
laptop or PC. However, if you plan to use a laptop to edit your
photos while away from the office, then you won’t want to
have to lug around a collection of hard drives in order to
access and edit your images.
By creating a Smart Preview of a photo, you can edit the
image while on the move, without requiring access to the