What is the DNG format?

For many professional photographers and creative the acronym stands DNG for the long-awaited savior in the format war of the RAW image processing parameters.

The format was introduced in 2004 by the American company Adobe, mainly known for their image editing programs (including "Photoshop") and the Flash animation format. The DNG raw format image information is open source, so it can from all interested companies, camera manufacturers and developers are used freely. By disclosing the format specifications, Adobe plans to replace the many proprietary formats of individual camera manufacturers in the long term by a single standard.

The RAW format in which the key image parameters are written without loss and, accordingly, entirely genuine in the camera memory, that is interpreted by camera manufacturer to camera manufacturers. RAW photo images that were recorded, for example with a Canon digital camera can therefore not be read easily in any image editing program or in the control display of the camera from another manufacturer. Rather, the user needs a special editing program that comes with most of the cameras.

Right here is where the DNG format: It will allow uncompressed images and vendor-independent model, thus creating the same way as the once-standard JPEG format, a common base for camera manufacturers, software developers and users. The basic structure of the format is based on the TIFF standard that is also open source. The reading and writing DNG files can be accomplished easily and quickly, accordingly, since the TIFF standard is now distributed worldwide. Just like a conventional RAW DNG format allows the standard, a completely lossless compression of the raw data, but does not enforce this.

So far, the initiative looks from Adobe, unfortunately, only a mixed success: the major camera manufacturers have the DNG format largely left, and continue to focus on their respective interpretations of the RAW standard. Anyone who wishes to convert existing RAW images to DNG format needs therefore to this day the free converter from Adobe.

Title Post: What is the DNG format?
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Author: the Wicaksonos Family

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