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Digital Image Capture and File Storage

Front cover for Digital Capture and Fiel Storage

Guidelines for Best Practice

By Steve Cole and Paul Backhouse

The silver-based emulsion and chemical process used successfully for many years for the capture and storage of images has now largely been superseded by the introduction of digital technology. The widespread use of digital cameras among imaging professionals, archaeologists and the general public has created a vast array of digital information. If this information is to be of use now and for future generations, it requires the application of a systematic approach to how it is captured and stored.

Digital technology is still in its infancy compared with the long-established technique of using silver-based emulsions on glass plate or film to produce images that have, with suitable development and storage, proven to be stable and enduring. Some would argue that our records should still be made in this way, but film is becoming more difficult to source. In addition, film-processing laboratories are disappearing from our high streets, making local processing a thing of the past in all but the largest cities. The tide has turned in favour of digital image capture, which offers many benefits that offset its unproven longevity. However, part of the problem with the digital environment is that its boundaries and possibilities are constantly changing. This publication offers guidance on digital image capture and storage to assist those involved with the making and keeping of images of the historic environment. It does not provide definitive answers regarding the problems of taking and storing digital images but does provide an overview of current recommendations.


1 The Digital Image Capture Process
   1.1 Cameras
   1.2 Lenses
2 Image Capture Standards
   2.1 File type
   2.2 Colour space
   2.3 Digital file and storage standards
   2.4 Storing digital image files
3 Where to Get Advice

Additional Information

  • Series: Guidance
  • Publication Status: Completed
  • Pages: 17
  • Product Code: HEAG059


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