Basic exposure 49
to HDR) command. Because an HDR image contains brightness
levels that far exceed the display capabilities of a standard
monitor or the range of tones in a printed image, Photoshop lets
you adjust the preview of the HDR image so it can be viewed
on a computer monitor. Now all Photoshop tools, adjustments,
and fi lters can be applied to HDR images. If you need to print
the image or use tools and fi lters that don’t work with HDR
images, you can always convert the HDR image to an 8- or 16-
bits-per-channel image.
Other HDR software
You don’t have to own Adobe Photoshop to create HDR images.
Lots of software that produces these kinds of fi les is available
from other sources. Photomatix Pro (www.hdrsoft.com) is avail-
Photomatix Pro is a stand-alone program that runs on Mac OS X and Windows. The Tone Mapping tool is
also available separately as a plug-in compatible with Photoshop CS2. © 2007 Joe Farace.