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  • NAPM IT2.51 : 0

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    PHOTOGRAPHY - SOURCE DOCUMENT MICROFILMS DETERMINATION OF ISO SPEED AND ISO AVERAGE GRADIENT

    Available format(s):  Hardcopy

    Withdrawn date:  23-07-2013

    Language(s):  English

    Published date: 

    Publisher:  National Association of Photographic Manufacturers, Inc.

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Sampling and storage
    5 Test method
    6 Product classification
    7 Product marking and labelling
    Tables
    1 ISO speed scale
    2 ISO average gradient
    Figure
    1 Sensitometric curve
    Annexes
    A Use of ISO speed values
    B Bibliography
    Technical corrigendum 1

    Abstract - (Show below) - (Hide below)

    Determines the ISO average gradient and speed of black-and-white camera negative photographic films that are used in the first generation microfilming of source documents, that are exposed and typically found with tungsten sources.

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

    Development Note Revision and redesignation of ANSI PH2.51-1987. 93 version includes the corrigendum.
    Document Type Standard
    Publisher National Association of Photographic Manufacturers, Inc.
    Status Withdrawn
    Supersedes

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

    ISO 5-3:2009 Photography and graphic technology Density measurements Part 3: Spectral conditions
    ISO 5-1:2009 Photography and graphic technology Density measurements Part 1: Geometry and functional notation
    ISO 2720:1974 Photography General purpose photographic exposure meters (photoelectric type) Guide to product specification
    ISO 554:1976 Standard atmospheres for conditioning and/or testing — Specifications
    ISO 5-2:2009 Photography and graphic technology Density measurements Part 2: Geometric conditions for transmittance density
    ISO 6728:1983 Photography Camera lenses Determination of ISO colour contribution index (ISO/CCI)
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