BS 1380-1:1973
Superseded
View Superseded by
Speed of sensitized photographic materials Negative monochrome material for still and cine photography
Hardcopy , PDF
English
12-31-1973
03-15-1995
Co-operating organizations
Foreword
Method
1 Scope
2 Determination of the arithmetical speed of a
specific sample of material
2.1 Conditioning of sample for testing
2.2 Exposure
2.3 Storage of exposed sample before processing
2.4 Processing
2.5 Density measurement
2.6 Speed criterion and calculation of arithmetical
speed
3 Conditions governing quotation of speed
3.1 British Standard speed
3.2 ISO speed
3.3 ISO developer
Table
1 Relationship between log10 E' and speed
Figure
1 Method for determining speed
Speed of materials for use in visible region of spectrum for making continuous tone negatives in monochrome. Not aerial photography or negatives produced in diffusion transfer systems.
| Committee |
CPW/42
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 1380-4:1986 | Speed of sensitized photographic materials Specification for daylight and incandescent tungsten illuminants for sensitometry |
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