Digital Negative (DNG) is a patented, open, lossless raw image format written by Adobe for use with digital photography. Adobe's license allows use without cost on the condition that the licensee prominently displays text saying it is licensed from Adobe in source and documentation, and that the license may be revoked if the licensee brings any patent action against Adobe or its affiliates related to the reading or writing of files that comply with the DNG Specification.
DNG was launched on September 27, 2004. The launch was accompanied by the first version of the DNG specification, plus various products, including a free-of-charge DNG converter utility. All Adobe photo manipulation software (such as Adobe Photoshop and Adobe Lightroom) released since the launch supports DNG.
- Digital Negative (DNG) at Adobe
- Digital Negative at the Photoshop Wiki
- Digital Negative at Wikipedia
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