This target conforms to International Standard ISO 21550, ‘Electronic Scanners for Photographic Images – Dynamic Range Measurement’.
The ST-53-1 has 0.1 to 4.0 Optical Densities which are appropriate for imaging media associated with direct visual viewing situations such as photographic slides or paper prints.
1.38 in. x 3.39 in. – 35mm x 86mm
|Number of Steps||
0.10 to 4.0
|Active Image Area||
20mm x 30mm
5mm x 5mm