This target conforms to International Standard ISO 21550, “Electronic Scanners for Photographic Images – Dynamic Range Measurement”.
- Substrate: Transmissive Material
- Overall Size: 1.38″ x 2.95″ (35mm x 75mm)
- Image Area: 20mm x 30mm
- Steps: 24
- Step Size: 5mm x 5mm
For more information on how to use this chart, review this ISO 21550 Solutions page.
The ST-53-1-TM 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. The ST-53-2-TM has been discontinued and is no longer available. Additional information: ST-53 Spec pdf.