ISO 9378:1993
Current
The latest, up-to-date edition.
Photography — Vesicular microfilm — Determination of ISO speed and ISO range
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English, French
23-09-1993
The principle of the method specified is exposing and processing samples as specified, obtaining density measurements from the resultant images to produce a sensitometric curve from which values are taken and used to determine ISO speed and ISO range. The method applies to vesicular microfilms which have their principal spectral sensitivity in the region of 350 nm to 450 nm and are used to produce negative-appearing images from positive originals and positive-appearing images from negative originals.
Committee |
ISO/TC 42
|
DocumentType |
Standard
|
Pages |
9
|
PublisherName |
International Organization for Standardization
|
Status |
Current
|
I.S. EN 28378-3:1991 | INFORMATION PROCESSING - DATA INTERCHANGE ON 130 MM (5.25 IN.) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION RECORDING AT 7958 FTPRAD, 3,8 TPMM (96 TPI), ON BOTH SIDES - PART 3: TRACK FORMAT B |
EN 28378-3 : 1989 | INFORMATION PROCESSING - DATA INTERCHANGE ON 130 MM (5.25 IN.) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION RECORDING AT 7958 FTPRAD, 3,8 TPMM (96 TPI), ON BOTH SIDES - PART 3: TRACK FORMAT B |
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