4 Develop module image editing

A definitive guide to working with the image-processing controls in the Develop module

One of the most powerful features in Lightroom is the image-processing engine, especially the way the image-adjustment processing is deferred until the time you choose to edit in Photoshop or export an image. This method of image processing actually originated in the early days of computer imaging, when deferred processing was adopted by programs such as Live Picture and xRes as a means to speed up the image editing. Computers were a lot slower back then, but it was possible to manipulate large image files in real time on relatively slow computers (with as little as 24 MB of RAM) and defer the image-rendering process to the end ...

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