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  • NAPM IT2.5 : 0

    Current The latest, up-to-date edition.

    PHOTOGRAPHY - BLACK-AND-WHITE PICTORIAL STILL CAMERA NEGATIVE FILM/PROCESS SYSTEMS - DETERMINATION OF ISO SPEED

    Available format(s):  Hardcopy

    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
    Table
    1 ISO speed scales
    Figure
    1 Method for determining speed
    Annexes
    A Suggested method for determining log 10 Hm
    B Bibliography

    Abstract - (Show below) - (Hide below)

    Defines methods for the determination of ISO speed of black-and-white negative camera films used for pictorial still photography. Applicable to conventional equipment and chemicals. Not applicable to aerial photography, motion picture, micrographic or radiographic applications, or graphic arts, nor to negatives produced in diffusion transfer systems.

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

    Development Note Revision and redesignation of ANSI PH2.5-1979(R1986)
    Document Type Standard
    Publisher National Association of Photographic Manufacturers, Inc.
    Status Current
    Supersedes

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

    ISO 5-3:2009 Photography and graphic technology Density measurements Part 3: Spectral conditions
    ISO 7589:2002 Photography Illuminants for sensitometry Specifications for daylight, incandescent tungsten and printer
    ISO 5-2:2009 Photography and graphic technology Density measurements Part 2: Geometric conditions for transmittance density
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