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David Underdown | Senior Digital Archivist T: 020 3908 9228 | W: nationalarchives.gov.uk Twitter: @DavidUnderdown9 The National Archives, Kew, Richmond, Surrey TW9 4DU

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Thanks Hannah. We at Preservica are also very interested in the responses that come in!

 

One issue we have found is that DROID no longer identifies Hasselblad 3FR (3FR) as fmt/1062 (it is now identified as x-fmt/388).

 

As well as understanding what the community wants we would love to hear anyone who has tried any of the tools available, especially for those producing DNG.

 

Jon

 

 

 

Hi all

 

We’d be interested to hear other people’s thoughts on archiving proprietary camera raw files.

 

In accordance with best practices we want to where possible only accept open, standard, non-proprietary and well-established file formats to ensure their long-term preservation. However, we have around 168,405 camera raw files in our digital archive created using a range of proprietary cameras and software. We are currently working towards mass ingest of our Digital Archive into Preservica and need to ensure we can continue to support all our file formats within the system and perform any migrations if necessary.

 

All of these camera raw files have been archived alongside an edited tiff for dissemination purposes. We believe the best course of action for these raw file formats is to migrate where possible to dng as our archival master and keep the tiff for dissemination. We have identified the following camera raw format types and noted where migration pathways exist where we plan to migrate to dng:

 

•             Hasselblad 3FR (3FR) – Migration Pathways for fmt/1062

•             Capture One Raw Image File (CAP) – No Migration Pathway available

•             Canon Raw Camera File (CRW) – Migration Pathway for fmt/593

•             Canon Raw Camera File version 2 (CR2) – Migration Pathway for fmt/593

•             Kodak Raw Camera File (DCR) – Migration Pathway for fmt/192

•             Phase One RAW Image (IIQ) – No Migration Pathway available

•             Leaf Mosaic Raw Camera File (MOS) – No Migration Pathway available

•             NIKON Raw Camera File (NEF) – Migration Pathway for fmt/202

 

I would be interested to hear other opinions on our proposals, and if anyone had any thoughts on those camera raw formats without a migration pathway currently. One thought had been to delete the master camera raw but retain the tiff as the new archival master.

 

We are particularly concerned about the Phase One RAW Image (IIQ’s) as these are being read within the system as tiff’s – if anyone has come across these and would be willing to share their solutions/workflows to deal with these.

 

Many thanks,

 

Hannah

 

Hannah Smith | Archive Digital Projects Manager

Archives | Heritage Directorate

Historic Environment Scotland | Àrainneachd Eachdraidheil Alba

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