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JB/T 9409-2010Methods for determining performance of motion picture projection lenses (English PDF)

电影放映物镜性能测定方法

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

February 11, 2010

Implementation date

July 1, 2010

Scope

JB/T 9409-2010 is the English-translated version of 电影放映物镜性能测定方法.

JB/T 9409-2010 is a recommended Chinese machinery industry standard that sets out methods for determining the performance of motion picture projection lenses, together with the terms and definitions used for them.

The lenses it applies to are projection lenses for the 16 mm, 35 mm and 70 mm film formats, while anamorphic lenses and attached zoom lens groups lie outside its field.

The standard carries the Chinese classification N43 and the international classification 37.060.10, and it quotes JB/T 9407 and JB/T 9426.11. It replaces JB/T 9409-1999, and the Ministry of Industry and Information Technology is recorded as the issuing agency.

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Document preview — JB/T 9409-2010

National Standard of the People's Republic of China

ICS: 37.060.10
Replacing: JB/T 9409-1999

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword
Scope
Normative references
About this standard
Classification and status

1 Foreword

JB/T 9409-2010 was issued by MIIT on 11 February 2010 and has been in force since 1 July 2010.

2 Scope

This standard is a recommended Chinese machinery industry standard that sets out methods for determining the performance of motion picture projection lenses, together with the terms and definitions used for them. The lenses it applies to are projection lenses for the 16 mm, 35 mm and 70 mm film formats, while anamorphic lenses and attached zoom lens groups lie outside its field. The standard carries the Chinese classification N43 and the international classification 37.060.10, and it quotes JB/T 9407 and JB/T 9426.11. It replaces JB/T 9409-1999, and the Ministry of Industry and Information Technology is recorded as the issuing agency.

3 Normative references

JB/T 9409-2010 cites the following standards, which apply in full or in part through the references made to them in its clauses.

JB/T 9407

JB/T 9426.11

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 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

Normative references

JB/T 9407Resolution test target for film projection lens

JB/T 9426.11

Cited by

Similar standards

JB/T 9426.6-2011|JB/T 14698-2023|JB/T 11851-2014|JB/T 9408-2023|JB/T 9426.2-2011|JB/T 9426.3-2011

Editions of JB/T 9409

Edition	Title	Revision	Status
JB/T 9409-2010	Methods for determining performance of motion picture projection lenses	current edition	Current
JB/T 9409-1999	Methods for determining performance of motion picture projection lenses	previous edition	Superseded

This page sells the current edition, JB/T 9409-2010. Earlier editions are listed for reference only.

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