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NAPM IT2.51 : 0

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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Withdrawn date

07-23-2013

Language(s)

English

Publisher

National Association of Photographic Manufacturers, Inc.

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

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.

DevelopmentNote
Revision and redesignation of ANSI PH2.51-1987. 93 version includes the corrigendum.
DocumentType
Standard
Pages
20
PublisherName
National Association of Photographic Manufacturers, Inc.
Status
Withdrawn
Supersedes

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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Hardcopy - English

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