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  • BS 4657:1990

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Method for determining the resolution obtained in microcopying

    Available format(s):  Hardcopy, PDF

    Superseded date:  03-02-2006

    Language(s):  English

    Published date:  31-07-1990

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    National foreword
    Method
    1. Scope
    2. Normative references
    3. Definitions
    4. Description of the test chart
    5. Procedure for using the test chart
    6. Procedure for reading images of test charts
    Annex
    A. Defects
    Table
    1. Dimensions and tolerances of the test patterns
    Figures
    1. Resolution test pattern
    2. Arrangement of test patterns in ISO resolution test
        chart No.2
    3. Reproduction of photomicrograph of test patterns
        on a typical microform
    A.1 Example of defects

    Abstract - (Show below) - (Hide below)

    Description and use of test chart for determining the resolution of a microfilming system or the resolution achieved in microforms.

    General Product Information - (Show below) - (Hide below)

    Committee IDT/1
    Development Note Supersedes 87/68469 DC and BS 4657(1970). (07/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 6313:2003 Micrographics. 35 mm microfilming of serials. Specification
    SBAC TS 116 : 2 CODE OF PRACTICE FOR MICROCOPYING
    BS 6660-1:2005 Guide to setting up and maintaining micrographics and digital imaging units Micrographics
    BS 5525:1977 Specification for 35 mm microcopying of maps and plans

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 6054-2:1983 Glossary of terms for micrographics Image positions and methods of recording
    BS 1384-3:1985 Photographic density measurements Specification for spectral conditions
    BS 6054-1:1981 Glossary of terms for micrographics General terms
    BS 4432-3:1980 Methods for determining optical properties of pulp, paper and board Determination of opacity (paper backing) of paper and board by the diffuse reflectance method
    BS 2045:1965 Preferred numbers
    ISO 6196-6:1992 Micrographics — Vocabulary — Part 6: Equipment
    BS 1384-4:1985 Photographic density measurements Specification for geometric conditions for reflection density
    BS 6054-3:1984 Glossary of terms for micrographics Film processing
    BS 6054-4:1987 Glossary of terms for micrographics Materials and packaging
    BS 6054-5(1988) : AMD 10439 GLOSSARY OF TERMS FOR MICROGRAPHICS - QUALITY OF IMAGES, LEGIBILITY, INSPECTION
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