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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy
07-23-2013
English
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Withdrawn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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