NAPM IT2.51 : 0
Withdrawn
Withdrawn
PHOTOGRAPHY - SOURCE DOCUMENT MICROFILMS DETERMINATION OF ISO SPEED AND ISO AVERAGE GRADIENT
Available format(s)
Hardcopy
Language(s)
English
Withdrawn date
07-23-2013
Excluding Tax where applicable
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Withdrawn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) |
Summarise