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Cameras, Formats & Systems (60)
Colour & Colour Management (60)
Composition & Visual Design (60)
Exposure & Metering (60)
Files, Metadata & Workflow (60)
Film, Darkroom & Historic Processes (60)
Focus & Depth of Field (60)
Genres, Movements & Theory (60)
Lighting & Flash (60)
Motion, Video & Creative Techniques (60)
Optics, Lenses & Filters (60)
Post-Processing & Retouching (60)
Printing, Display & Output (60)
Sensors & Digital Capture (60)
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3-2-1 Backup Rule
Files, Metadata & Workflow
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The guideline of keeping three copies of data, on two different media types, with one copy off-site.
3 copies, 2 media, 1 off-site
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