ISO-21550 Dynamic Range Film Target

January 11, 2018
October 13, 2022


This target conforms to International Standard ISO 21550, “Electronic Scanners for Photographic Images – Dynamic Range Measurement”.

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Our product pricing and shipping rates do not include import duties, taxes or fees. The customer / recipient is responsible for these expenses.


  • 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.