BS ISO 7565:1993
Current
Micrographics. Readers for transparent microforms. Measurement of characteristics
Hardcopy , PDF
English
01-15-1994
1 Scope
2 Normative references
3 Definitions
4 Magnification
4.1 Apparatus
4.2 Procedure
5 Resolution
5.1 Test charts
5.2 Magnifier
5.3 Procedure
6 Geometric distortion
6.1 Test film
6.2 Procedure
7 Screen luminance
7.1 General conditions
7.2 Procedure
8 Screen contrast
8.1 Apparatus
8.2 Screen contrast measurements
9 Film gate temperature measurements
9.1 Apparatus
9.2 Procedure
Annexes
A Importance of the luminance measurement
A.1 Screen characteristics
A.2 Screen observation
A.3 Evaluation of screen diffusion characteristics
B Field method using a luxmeter
B.1 Presentation
B.2 Method
Specifies methods and instruments for measuring the characteristics for readers. Coverage includes magnification, apparatus, procedure, magnifier, geometric distortion, screen luminance, screen contrast measurements, and film gate temperature measurements. Also gives definitions and annexes.
| Committee |
IDT/1
|
| DevelopmentNote |
Together with BS ISO 6198, it supersedes BS 4191(1976) (02/2000) Reviewed and confirmed by BSI, March, 2004. (11/2004) Supersedes 89/95895 DC. (07/2005)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies methods and instruments for measuring the characteristics for readers specified in ISO 6198. It applies to magnification, resolution, distortion, screen luminance, screen contrast and film gate temperatures.
| Standards | Relationship |
| ISO 7565:1993 | Identical |
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