CSA Group Photography - Vesicular microfilm - Determination of ISO speed and ISO range ISO 9378:1993

Description
The principle of the method specified is exposing and processing samples as specified, obtaining density measurements from the resultant images to produce a sensitometric curve from which values are taken and used to determine ISO speed and ISO range. The method applies to vesicular microfilms which have their principal spectral sensitivity in the region of 350 nm to 450 nm and are used to produce negative-appearing images from positive originals and positive-appearing images from negative originals.
  • Photography - Vesicular microfilm - Determination of ISO speed and ISO range - ISO 9378:1993 - CSA Group
    CSA Group
Description
The principle of the method specified is exposing and processing samples as specified, obtaining density measurements from the resultant images to produce a sensitometric curve from which values are taken and used to determine ISO speed and ISO range. The method applies to vesicular microfilms which have their principal spectral sensitivity in the region of 350 nm to 450 nm and are used to produce negative-appearing images from positive originals and positive-appearing images from negative originals.

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Photography - Vesicular microfilm - Determination of ISO speed and ISO range - ISO 9378:1993 - CSA Group
CSA Group
Toronto, Ontario, Canada
Photography - Vesicular microfilm - Determination of ISO speed and ISO range
ISO 9378:1993
Photography - Vesicular microfilm - Determination of ISO speed and ISO range ISO 9378:1993
The principle of the method specified is exposing and processing samples as specified, obtaining density measurements from the resultant images to produce a sensitometric curve from which values are taken and used to determine ISO speed and ISO range. The method applies to vesicular microfilms which have their principal spectral sensitivity in the region of 350 nm to 450 nm and are used to produce negative-appearing images from positive originals and positive-appearing images from negative originals.

The principle of the method specified is exposing and processing samples as specified, obtaining density measurements from the resultant images to produce a sensitometric curve from which values are taken and used to determine ISO speed and ISO range. The method applies to vesicular microfilms which have their principal spectral sensitivity in the region of 350 nm to 450 nm and are used to produce negative-appearing images from positive originals and positive-appearing images from negative originals.

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Technical Specifications

  CSA Group
Product Category Standards and Technical Documents
Product Number ISO 9378:1993
Product Name Photography - Vesicular microfilm - Determination of ISO speed and ISO range
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