ASA photographic film speed system
GPTKB entity
Statements (13)
Predicate | Object |
---|---|
gptkbp:instanceOf |
photographic film speed rating system
|
gptkbp:abbreviation |
gptkb:American_Standards_Association
|
gptkbp:developedBy |
gptkb:American_Standards_Association
|
gptkbp:hasUnit |
ASA number
|
https://www.w3.org/2000/01/rdf-schema#label |
ASA photographic film speed system
|
gptkbp:introducedIn |
1943
|
gptkbp:mergedInto |
ISO 6:1974
|
gptkbp:relatedTo |
DIN film speed system
|
gptkbp:replacedBy |
ISO film speed system
|
gptkbp:usedFor |
measuring film sensitivity to light
|
gptkbp:usedIn |
gptkb:United_States
|
gptkbp:bfsParent |
gptkb:American_Standards_Association_(ASA)
|
gptkbp:bfsLayer |
8
|