Intro::Digital Negative


Image::adobe    Camera::format    Cameras::products    Support::digital    Formats::software    Pentax::version

{{#invoke:Hatnote|hatnote}} {{#invoke:Infobox|infobox}} Digital Negative (DNG) is an open lossless raw image format written by Adobe used for digital photography. It was launched on September 27, 2004.<ref name = "adobe2004">{{#invoke:citation/CS1|citation |CitationClass=pressrelease |type=Press release }}</ref> The launch was accompanied by the first version of the DNG specification,<ref name = "DNGspecification">{{#invoke:citation/CS1|citation |CitationClass=citation }}.</ref> 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.<ref name = "PEARSONadobeproducts">{{#invoke:citation/CS1|citation |CitationClass=citation }}.</ref>

DNG is based on the TIFF/EP standard format, and mandates significant use of metadata. Use of the file format is royalty-free; Adobe has published a license allowing anyone to exploit DNG,<ref name = "DNHlicense">{{#invoke:citation/CS1|citation |CitationClass=citation }}.</ref> and has also stated that there are no known intellectual property encumbrances or license requirements for DNG.<ref name = "CinemaDNGnoencumbrance">{{#invoke:citation/CS1|citation |CitationClass=citation }}.</ref> Adobe stated that if there was a consensus that DNG should be controlled by a standards body, they were open to the idea.<ref name = "DMDkevinconnor">{{#invoke:citation/CS1|citation |CitationClass=citation }}.</ref> Adobe has submitted DNG to ISO for incorporation into their revision of TIFF/EP.<ref name = "DPReviewISO">{{#invoke:citation/CS1|citation |CitationClass=citation }}.</ref>

Digital Negative sections
Intro  Rationale for DNG  Technical summary  Timeline  Reception  DNG conversion  Summary of products that support DNG in some way  Versions of the specification  Standardization  See also  References  

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