imaging
Low-angle light
- Condition of the surface
- Distortions of the support
- Technical interventions (incisions, impasto, etc.)
On: paintings, sculpture
Ultraviolet fluorescence
- Examination of varnish
- Locating restorations
- Identification of certain pigments
- Identification of mould
On: paper, paintings, wood, stone
Infrared reflectography
- Underlying drawing
- Nature of the medium
- Corrections and retouching
- Transfer techniques (stencil, tracing paper, grid, etc.)
- Inscriptions, signature
On: paper, paintings, ceramics
False-colour infrared
- Information on the nature of the pigments
- Location of changes in composition
On: paintings, sculptures
Macrophotography
- Technical approaches
- Checking for cracks
- Tool marks
- Textures
On: paper, paint, sculpture, ceramics
Radiography X
- Condition of the support and structure of the artwork
- Analysis of the composition and any layers
- Change of support or format
- Interpretation of the artist’s technique and style
On: paintings, sculpture, ceramics