Method: High Resolution IR imaging
Organization
Nicolaus Copernicus University
Alternative labels
IR imaging
Description
High-resolution IR imaging is used mostly to reveal preparatory drawings and/or alterations in paintings on canvas. To some limits it may be used for identification of pigments. It can also be used to differentiate iron galling from carbon-based inks.
Techniques
Other
Other techniques
IR relectance imaging
Version
1.0
Parameters
Type: Spectral Range
Unit: none
Value: 900 - 1700 nm
Type: Dynamic range
Unit: bits
Value: 16
Type: Expose (integration) time
Unit: ms
Value: 10 - 50
Type: Object field width/height
Unit: none
Value: 200 mm to infinity
Type: object field width/hight with macrolens
Unit: none
Value: 35 - 55 mm