Nigel Goldsmith

714 views
650 views

Published on

The Raw camera format offers the photographer greater control over the processing of their images. However this flexibility comes at a price. In this talk Nigel looks at the available formats and the issues concerning preservation.

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
714
On SlideShare
0
From Embeds
0
Number of Embeds
113
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Nigel Goldsmith

  1. 1. The camera raw format and the future Nigel Goldsmith
  2. 2. The camera raw format <ul><li>Mostly unprocessed capture data </li></ul><ul><li>12, 14, or 16 bit per channel colour </li></ul><ul><li>Non destructive editing </li></ul><ul><li>Flexible and simple workflow </li></ul><ul><li>Converted according to need </li></ul>
  3. 3. Converting a raw image
  4. 4. Raw as a preservation format <ul><li>Raw is a ‘digital negative’ format </li></ul><ul><li>User can exploit greater bit depth in future </li></ul><ul><li>Convert according to changing needs </li></ul>
  5. 5. Issues <ul><li>Future support for rapidly increasing number of Raw types. </li></ul><ul><li>Requires specialist applications to view </li></ul><ul><li>Storage of Raw alongside TIFF or other established format places greater demand on systems and budgets </li></ul><ul><li>Need to be converted = skilled staff and time </li></ul><ul><li>Proprietary </li></ul><ul><li>Metadata </li></ul>
  6. 6. Batch converting raw files
  7. 7. Batch converting raw files
  8. 8. Proprietary format <ul><li>Code of the image belongs to the manufacturer not the photographer </li></ul><ul><li>Raw formats are often easily reverse engineered but are there legal issues in doing this? </li></ul><ul><li>Manufacturers (Nikon D2x) have been known to encrypt some of the metadata locking users out of their images. </li></ul>
  9. 9. DNG <ul><li>Adobe’s Digital NeGative format </li></ul><ul><li>Openly documented raw format </li></ul><ul><li>More widely supported by applications </li></ul><ul><li>Offered by some camera models </li></ul><ul><li>(Leica and Hasselblad) more may follow </li></ul>
  10. 10. Metadata, DNG and sidecars Non EXIF metadata (keywords etc.) + Non EXIF metadata (keywords etc.)

×