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GB/T 11501-2008: Photography -- Density Measurement -- Part 3: Spectral Conditions
Status: Valid GB/T 11501: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 11501-2008 | English | 434 |
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Photography -- Density Measurement -- Part 3: Spectral Conditions
| Valid |
GB/T 11501-2008
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| GB/T 11501-1989 | English | 559 |
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Spectral conditions for measuring photography density
| Obsolete |
GB/T 11501-1989
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PDF similar to GB/T 11501-2008
Basic data | Standard ID | GB/T 11501-2008 (GB/T11501-2008) | | Description (Translated English) | Photography -- Density Measurement -- Part 3: Spectral Conditions | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G80 | | Classification of International Standard | 37.040.01 | | Word Count Estimation | 22,212 | | Date of Issue | 2008-06-04 | | Date of Implementation | 2008-12-01 | | Older Standard (superseded by this standard) | GB/T 11501-1989 | | Quoted Standard | ISO 5-1-1984; CIE publication 17.4-1987; CIE publication 18.2-1983 | | Adopted Standard | ISO 5-3-1995, IDT | | Regulation (derived from) | National Standard Approval Announcement 2008 No.9 (Total No.122) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the conditions for the photographic image reproduction spectral several density measurement. Throughout the standard image copy contains a broad definition of photography school. Including the role of the energy in the radiation -sensitive surface of the production process and the image processing methods. | GB/T 11501-2008: Photography -- Density Measurement -- Part 3: Spectral Conditions---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
. Photography Density Measurement Part 3. Spectral Conditions
ICS 37.040.01
G80
National Standards of People's Republic of China
GB/T 11501-2008/ISO 5-3.1995
Replacing GB/T 11501-1989
Photographic density measurements - Part 3. Spectral conditions
(ISO 5-3.1995, IDT)
Posted 2008-06-04
2008-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
Introduction Ⅱ
1 Scope 1
2 Normative references 1
3 Definitions 1
4 1 density measurement
5 spectral response S 2
6 spectroscopy product Π 2
2 7 Representation
8 Density Type 2
8.1 ISO visual density
8.2 printing density 3
8.3 ISO A state density 3
8.4 ISO M state density 4
8.5 ISO T state density 4
8.6 ISO E state density 4
8.7 ISO narrowband density 4
8.8 ISO I state density 5
8.9 ISO 3-type density DT (SH. Ju 3) 5
Spectral Tolerance 5 9
10 absolute reference standard (white) 5
Appendix A (informative) densitometer calibration method 12
Appendix B (Informative Appendix) ISO spectral density of the product and the incident flux relative spectral power distribution 14
Annex C (informative) sideband suppression 17
References 18
GB/T 11501-2008/ISO 5-3.1995
Foreword
This standard is identical with ISO 5-3.1995 "photographic density measurements - Part 3. Spectral conditions" (in English).
This standard replaces GB/T 11501-1989 "spectral density measurement condition Photography" (referring to international standard ISO 5-3. 1984 "photo
Movies density measurement - Part 3. Spectral conditions ", and this has been the international standard ISO 5-3.1995 in place, and there are technical amendments).
This standard is equivalent translation ISO 5-3.1995.
For ease of use, this standard does the following editorial changes.
a) "this International Standard" be replaced by "this standard";
b) use a decimal point instead of a decimal comma ",". ",";
c) Delete ISO 5-3.1995 Foreword; the ISO 5-3.1995 introduction as a direct translation of the introduction of this standard;
d) Normative references introductory phrase file to GB/T 1.1-2000 specified key words.
This revised version of the standard in content compared to its previous version, including the following changes.
--- The standard name according to international standard name translated from the original "condition photographic spectrum density measurement" to "photographic density measurements
Part 3. Spectral conditions ";
--- Increasing the foreword and introduction;
--- In order to more clearly understand the standard content of the "scope" This section has been clearly defined and broadly defined (Excerpts
Chapter 1, Chapter 1, 1989 edition);
--- Added "Normative References" chapter. In reference standard, because China is now equivalent to using no country cited international standards
Standard, therefore, direct reference to international standards (see Chapter 2 edition);
--- "Definition" of the expansion. For consistency of application and meaning more clearly, increase some of the terms. The spectral characteristics of densitometer
Verification, introducing the concept of "sideband suppression" of. (Excerpts Chapter 4, Chapter 4, 1989 edition);
Note 2. the distribution of radiation in a pneumatic temperature 2856K tungsten spiral approximates the spectral distribution of this, and therefore can be used as the standard illuminant A
Specific reproduction.
3.2
Radiation outside the desired passband blocked or compression level.
Usually means within the passband outside the passband and integrated energy ratio of the energy integration is desired.
3.3
The wavelength of maximum system response time.
3.4
When the system response falls to a predetermined percentage of the peak, the passband width between two points in wavelength units.
3.5
Incident on the sample surface or sampling aperture incident flux spectrum. Spectrum is a function of the incident light and the sample light source side optical system.
4 density measurement
In order to fully define the spectral density type from the spectroscopic properties, should provide a light source, optical components and spectral response measurement system. CIE standard
GB/T 11501-2008/ISO 5-3.1995
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