ISO 6200:1999
(Main)Micrographics - First generation silver-gelatin microforms of source documents - Density specifications and method of measurement
Micrographics - First generation silver-gelatin microforms of source documents - Density specifications and method of measurement
This International Standard specifies a method for measuring densities of first generation silver-gelatin microforms. It specifies density values for different qualities of documents. It applies to source document negative-appearing microforms. It does not apply to microforms for technical drawings which are dealt with in ISO 3272-2, or to diazo and vesicular films which are the subject of ISO 8126, or to COM microforms which are dealt with in ISO 8514.
Micrographie — Microformes documentaires gélatino-argentiques de première génération — Spécifications des densités et méthode de mesurage
La présente Norme internationale spécifie une méthode de mesurage des densités des microformes gélatinoargentiques de première génération. Elle spécifie également des valeurs de densité pour des documents de différentes qualités. Elle est applicable aux microformes documentaires d'aspect négatif. Elle ne s'applique ni aux microformes de dessins techniques qui sont traitées dans l'ISO 3272-2, ni aux microformes diazoïques et vésiculaires qui sont traités dans l'ISO 8126, ni aux microformes COM qui sont traitées dans l'ISO 8514.
General Information
- Status
- Published
- Publication Date
- 06-Oct-1999
- Technical Committee
- ISO/TC 171 - Document management applications
- Drafting Committee
- ISO/TC 171 - Document management applications
- Current Stage
- 9093 - International Standard confirmed
- Start Date
- 13-Sep-2022
- Completion Date
- 13-Dec-2025
Relations
- Effective Date
- 15-Apr-2008
Overview
ISO 6200:1999 is an international standard published by the International Organization for Standardization (ISO) that addresses density specifications and measurement methods for first generation silver-gelatin microforms of source documents. This standard focuses explicitly on negative-appearing microforms produced from source documents, establishing a consistent method to measure and specify the density of these microforms to ensure clarity, legibility, and quality.
The standard excludes microforms for technical drawings (covered in ISO 3272-2), diazo and vesicular films (covered in ISO 8126), and COM microforms (covered in ISO 8514). By standardizing density values and measurement techniques, ISO 6200:1999 helps maintain high-quality archival and reproduction microforms.
Key Topics
Method of Measurement
The standard requires the use of a densitometer compliant with ISO 5-2 and ISO 5-3 to measure standard diffuse visual densities. Measurements are to be taken through an aperture between 0.5 mm and 3.0 mm in diameter, ensuring uniform density areas fully cover the aperture. The emulsion side of the microform must face the sensor during measurement.Density Specifications
ISO 6200:1999 defines background density values tailored to different groups of document quality:- Group 1: Dense black characters and high-contrast lines - density range 1.00 to 1.50
- Group 2: General commercial documents with fine lines or medium contrast - 0.90 to 1.10
- Group 3: Low contrast documents - 0.80 to 1.00
- Group 4: Very low contrast documents - 0.70 to 0.85
Background density is measured as ISO standard visual diffuse densities, after subtracting the base plus fog value (which should be below 0.10 for clear bases).
Quality Considerations
Documents with fine-line details or complex characters, such as Chinese or Japanese scripts, may require densities at the lower end of the specified ranges to maintain legibility. For double-sided documents with noticeable show-through, the density may be reduced to minimize overlapping images.
Applications
The ISO 6200:1999 standard is essential for organizations that produce and archive analog microform records, including:
- Archival institutions managing historic or legal documents in microformat
- Government agencies requiring standardized document reproduction for long-term storage
- Commercial microfilming services that produce film copies of source documents for business records
- Libraries and research centers preserving journals, manuscripts, and other printed materials in microform
- Quality control laboratories verifying microform densities to comply with industry requirements
By applying this standard, these entities can ensure microform images have consistent density levels, thereby improving image legibility, durability, and reproducibility.
Related Standards
- ISO 3272-2 - Micrographics: Standards for microforms of technical drawings
- ISO 8126 - Micrographics: Density measurement and specifications for diazo and vesicular films
- ISO 8514 - Standards related to COM (computer output microfilm) microforms
- ISO 5 series (5-1, 5-2, 5-3) - Terms, geometric, and spectral conditions for photographic density measurements
- ISO 6196 series - Micrographics vocabulary detailing terms related to image quality, materials, and equipment
These standards complement ISO 6200:1999 by providing comprehensive guidance on different types of microforms, measurement practices, and definitions for micrographic processes.
Keywords: ISO 6200, micrographics standard, silver-gelatin microforms, microform density measurement, ISO microfilm standard, microform quality control, archival microforms, densitometer microform, microfilm image density, first generation microforms
ISO 6200:1999 - Micrographics -- First generation silver-gelatin microforms of source documents -- Density specifications and method of measurement
ISO 6200:1999 - Micrographie -- Microformes documentaires gélatino-argentiques de premiere génération -- Spécifications des densités et méthode de mesurage
Frequently Asked Questions
ISO 6200:1999 is a standard published by the International Organization for Standardization (ISO). Its full title is "Micrographics - First generation silver-gelatin microforms of source documents - Density specifications and method of measurement". This standard covers: This International Standard specifies a method for measuring densities of first generation silver-gelatin microforms. It specifies density values for different qualities of documents. It applies to source document negative-appearing microforms. It does not apply to microforms for technical drawings which are dealt with in ISO 3272-2, or to diazo and vesicular films which are the subject of ISO 8126, or to COM microforms which are dealt with in ISO 8514.
This International Standard specifies a method for measuring densities of first generation silver-gelatin microforms. It specifies density values for different qualities of documents. It applies to source document negative-appearing microforms. It does not apply to microforms for technical drawings which are dealt with in ISO 3272-2, or to diazo and vesicular films which are the subject of ISO 8126, or to COM microforms which are dealt with in ISO 8514.
ISO 6200:1999 is classified under the following ICS (International Classification for Standards) categories: 37.080 - Document imaging applications. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 6200:1999 has the following relationships with other standards: It is inter standard links to ISO 6200:1990. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase ISO 6200:1999 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of ISO standards.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 6200
Third edition
1999-10-15
Micrographics — First generation
silver-gelatin microforms of source
documents —Density specifications and
method of measurement
Micrographie — Microformes documentaires gélatino-argentiques de
première génération — Spécifications des densités et méthode de
mesurage
A
Reference number
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO
member bodies). The work of preparing International Standards is normally carried out through ISO technical
committees. Each member body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, governmental and non-governmental, in
liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical
Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.
Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.
Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.
International Standard ISO 6200 was prepared by Technical Committee ISO/TC 171, Document imaging
applications, Subcommittee SC 1, Quantification of quality levels and control procedures.
This third edition cancels and replaces the second edition (ISO 6200:1990) which has been technically revised.
© ISO 1999
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic
or mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Organization for Standardization
Case postale 56 • CH-1211 Genève 20 • Switzerland
Internet iso@iso.ch
Printed in Switzerland
ii
© ISO
Introduction
Microforms should be of such quality that the information contained is clearly legible, and suitable for its intended
use. It is therefore important that documents for microfilming conform to microfilming criteria.
Controlling microimage density helps to ensure that good results are obtained.
iii
INTERNATIONAL STANDARD © ISO ISO 6200:1999(E)
Micrographics — First generation silver-gelatin microforms of
source documents — Density specifications and method of
measurement
1 Scope
This International Standard specifies a method for measuring densities of first generation silver-gelatin microforms.
It specifies density values for different qualities of documents.
It applies to source document negative-appearing microforms.
It does not apply to microforms for technical drawings which are dealt with in ISO 3272-2, or to diazo and vesicular
films which are the subject of ISO 8126, or to COM microforms which are dealt with in ISO 8514.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of
this International Standard. For dated references, subsequent amendments to, or revisions of, any of these
publications do not apply. However, parties to agreements based on this International Standard are encouraged to
investigate the possibility of applying the most recent editions of the normative documents indicated below. For
undated references, the latest edition of the normative d
...
NORME ISO
INTERNATIONALE 6200
Troisième édition
1999-10-15
Micrographie — Microformes
documentaires gélatino-argentiques de
première génération — Spécifications des
densités et méthode de mesurage
Micrographics — First generation silver-gelatin microforms of source
documents — Density specifications and method of measurement
A
Numéro de référence
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes nationaux de
normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est en général confiée aux
comités techniques de l'ISO. Chaque comité membre intéressé par une étude a le droit de faire partie du comité
technique créé à cet effet. Les organisations internationales, gouvernementales et non gouvernementales, en
liaison avec l'ISO participent également aux travaux. L'ISO collabore étroitement avec la Commission
électrotechnique internationale (CEI) en ce qui concerne la normalisation électrotechnique.
Les Normes internationales sont rédigées conformément aux règles données dans les Directives ISO/CEI, Partie 3.
Les projets de Normes internationales adoptés par les comités techniques sont soumis aux comités membres pour
vote. Leur publication comme Normes internationales requiert l'approbation de 75 % au moins des comités
membres votants.
La Norme internationale ISO 6200 a été élaborée par le comité technique ISO/TC 171, Applications imagerie
documentaire Quantification des niveaux de qualité et des procédures de contrôle
, sous-comité SC 1, .
Cette troisième édition annule et remplace la deuxième édition (ISO 6200:1990), dont elle constitue une révision
technique.
© ISO 1999
Droits de reproduction réservés. Sauf prescription différente, aucune partie de cette publication ne peut être reproduite ni utilisée sous quelque
forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et les microfilms, sans l'accord écrit de l'éditeur.
Organisation internationale de normalisation
Case postale 56 • CH-1211 Genève 20 • Suisse
Internet iso@iso.ch
Imprimé en Suisse
ii
© ISO
Introduction
Il y a lieu que la qualité des microformes soit telle que les informations qu'elles contiennent puissent être facilement
lues, et qu'elles conviennent à l'utilisation finale qui en a été prévue. Il est donc important que les documents à
microfilmer respectent les critères de la micrographie.
Le contrôle de la densité de la micro-image contribue à garantir l'obtention de bons résultats.
iii
NORME INTERNATIONALE © ISO ISO 6200:1999(F)
Micrographie — Microformes documentaires gélatino-argentiques
de première génération — Spécifications des densités et méthode
de mesurage
1 Domaine d’application
La présente Norme internationale spécifie une méthode de mesurage des densités des microformes gélatino-
argentiques de première génération. Elle spécifie également des valeurs de densité pour des documents de
différentes qualités.
Elle est applicable aux microformes documentaires d'aspect négatif.
Elle ne s'applique ni aux microformes de dessins techniques qui sont traitées dans l'ISO 3272-2, ni aux microformes
diazoïques et vésiculaires qui sont traités dans l'ISO 8126, ni aux microformes COM qui sont traitées dans
l'ISO 8514.
2 Références normatives
Les documents normatifs suivants contiennent des dispositions qui, par suite de la référence qui y est faite,
constituent des dispositions valables pour la présente Norme internationale. Pour les références datées, les
amendements ultérieurs ou les révisions de ces publications ne s’appliquent pas. Toutefois, les parties prenantes
aux accords fondés sur la présente Norme internationale sont invitées à rechercher la possibilité d'appliquer les
éditions les plus récentes des documents normatifs indiqués ci-après. Pour les références non datées, la dernière
édition du document norma
...














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