Released in April 2007, represented a significant expansion of the industry-standard image editor, specifically targeting professionals in architecture, engineering, medical research, and film . While the standard CS3 focused on streamlined photography workflows, the Extended version introduced high-end capabilities for 3D modeling, video frame editing, and quantitative image analysis. Core Features and "Extended" Capabilities
Photoshop CS3 Extended includes every feature found in the standard edition—such as the , Refine Edge , and Smart Filters —but adds specialized toolsets for "cross-media" professionals: Adobe Photoshop CS3 Extended 10.0.1