Thema Subject Categories 1.4

Previous versions of Thema are still available 1.3 1.2.

Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.

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Notation Category heading Add Mod ?
A The Arts
Use all A* codes for: specialist and general adult titles, including both highly illustrated and more text-based works. For a hobby or recreational approach, prefer a WF* code as the main subject and supplement with A* code(s) where appropriate. Use all A* codes with: other subject categories and qualifiers as appropriate, in particular STYLE 6*, plus PLACE 1* and TIME PERIOD 3* Qualifiers
AJ Photography and photographs
AJT Photographic equipment and techniques: general
Class here: cameras, lenses, lighting, film, flash, darkroom techniques and photo processing, retouching and digital manipulation, principles of colour, composition, black and white etc.
See also: UGP Photo and image editing
AJTA Camera-specific manuals
Use for: any publication about a specific camera type or brand
AJTF Photography: subject-specific techniques and principles
Class here: aerial, drone, studio, street, landscape, nature and wildlife, portrait, underwater photography, micro- and astrophotography techniques and guides. Use for: works on composition etc
AJTH Digital photography 1.4
AJTV Video photography / videography
See also: AFKV Digital, video and new media arts, ATFX Filmmaking and production: technical and background skills, ATJX Television production: technical and background skills

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