• There are no items in your cart

NAPM IT2.4 : 0

Current
Current

The latest, up-to-date edition.

PHOTOGRAPHY (SENSITOMETRY) - BLACK-AND-WHITE AERIAL CAMERA FILMS - DETERMINATION OF ISO SPEED AND AVERAGE GRADIENT
Available format(s)

Hardcopy

Language(s)

English

SECTION
0 Introduction
1 Scope and Field of Application
2 References
3 Definitions
    3.1 Exposure, H
    3.2 Speed
    3.3 Average Gradient
4 Sampling and Storage
5 Method of Test
    5.1 Principle
    5.2 Safelights
    5.3 Exposure
    5.4 Processing
    5.5 Densitometry
    5.6 Evaluation
6 Product Classification
    6.1 ISO Aerial Speed
    6.2 ISO Aerial Average Gradient
    6.3 Accuracy
7 Product Marking and Labelling
    7.1 ISO Aerial Speed
    7.2 ISO Aerial Average Gradient
    7.3 General
TABLES
1 Relative Spectral Power Distribution of ISO Sensitometric
    Aerial Daylight
2 ISO Aerial Speed Scale
3 ISO Aerial Average Gradient Scale
FIGURES
1 Sensitometric Curve
ANNEXES
A Processing with Standard Chemicals
A1 Development
A2 Fixing
A3 Washing
A4 Drying
A5 Classification
B Film-Process Selection
Figure 2 Film-Process Combinations
Bibliography

Defines methods for the determination of ISO serial average gradient and ISO aerial speed of black-and-white negative camera film-process combinations used in aerial photography. Not applicable to infrared aerial films.

DevelopmentNote
Reaffirmation and redesignation of ANSI PH2.34-1987.
DocumentType
Standard
Pages
22
PublisherName
National Association of Photographic Manufacturers, Inc.
Status
Current
Supersedes

Standards Relationship
ISO 7829:1986 Identical

ISO 5-3:2009 Photography and graphic technology Density measurements Part 3: Spectral conditions
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

View more information
US$33.00
Excluding Tax where applicable

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.