Publisher's Review:
Create powerful images with the professional standard
Adobe® Photoshop® CS4 software provides improved access to its unrivaled power through a more intuitive user experience, greater editing freedom, and significant productivity enhancements.
Did you know…
There's a solution for pro photographers
Buy Photoshop and Photoshop Lightroom® together and you can import, process, manage, edit, composite, and showcase your images — and save up to US$125.
Working with images is now easier
Navigate around images more naturally with fluid canvas rotation and enhanced pan and zoom tools.
Education discounts are available
As a student or educator, you qualify for education pricing. See the full list of products available for purchase.
DNG raw format is supported
The DNG format helps promote archival confidence, since digital-imaging software solutions will be able to open your raw files more easily in the future.
Review from Wikipedia:
Adobe Photoshop CS4, or simply Photoshop CS4, is a graphics editor developed and published by Adobe Systems. It is the current market leader for commercial bitmap and image manipulation, and, aside from Adobe Acrobat, is the best-known piece of software produced by Adobe Systems. It has been described as "an industry standard for graphics professionals"[1], though it is not considered an industry standard for text or vector graphics[citation needed]. Photoshop is available for Mac OS X, Mac OS, and Microsoft Windows; versions up to Adobe Photoshop 10.0 can also be used with other operating systems such as Linux using software such as CrossOver. Past versions of the program were ported to the SGI IRIX and Sun Solaris platforms, but official support for this port was dropped after version 3.