JB/T 1787-201716 mm motion-picture projection lenses - Technical specifications (English PDF)
16mm电影放映物镜 技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
November 7, 2017
Implementation date
April 1, 2018
Scope
JB/T 1787-2017 is the English-translated version of 16mm电影放映物镜 技术条件.
JB/T 1787-2017 is a recommended Chinese machinery industry standard for 16 mm motion-picture projection lenses. It fixes their basic parameters and dimensions, the technical requirements they must meet, the test methods and the inspection rules, and it closes with marking, packaging, transport and storage.
Its provisions are written for general-purpose 16 mm projection objectives. It replaces JB/T 1787-2006. It quotes GB/T 13384, GB/T 25480 and JB/T 9409. The Chinese classification is N43 and the international classification 37.060.10, and the Ministry of Industry and Information Technology issued it.
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Document preview — JB/T 1787-2017
National Standard of the People's Republic of China
- ICS
- 37.060.10
- Replacing
- JB/T 1787-2006
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 1787-2017 was issued by MIIT on 7 November 2017 and has been in force since 1 April 2018.
It replaces the earlier edition JB/T 1787-2006, JB/T 1787-1991.
2 Scope
JB/T 1787-2017 is a recommended Chinese machinery industry standard for 16 mm motion-picture projection lenses. It fixes their basic parameters and dimensions, the technical requirements they must meet, the test methods and the inspection rules, and it closes with marking, packaging, transport and storage. Its provisions are written for general-purpose 16 mm projection objectives. It replaces JB/T 1787-2006. It quotes GB/T 13384, GB/T 25480 and JB/T 9409. The Chinese classification is N43 and the international classification 37.060.10, and the Ministry of Industry and Information Technology issued it.
3 Normative references
JB/T 1787-2017 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 13384
GB/T 25480
JB/T 9409
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 1787-2006 (earlier edition)
JB/T 1787-1991 (earlier edition)
6 Classification and status
International classification (ICS): 37.060.10
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of JB/T 1787
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 1787-2017 | 16 mm motion-picture projection lenses - Technical specifications | current edition | Current |
| JB/T 1787-2006 | 16 mm motion-picture projection lenses - Technical specifications | previous edition | Superseded |
This page sells the current edition, JB/T 1787-2017. Earlier editions are listed for reference only.
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Related Standards
GB/T 13384-2008 — General specifications for packing of mechanical and electrical product
GB/T 25480-2010 — Basic environmental conditions and testing methods for transportation and storage of instruments
JB/T 9409-2010 — Methods for determining performance of motion picture projection lenses
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JB/T 1787-2017
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