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JB/T 7474.4-2014 English PDF

JB/T 7474.4: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 7474.4-2014English239 Add to Cart 3 days [Need to translate] Automatic camera technology conditions. Part 4: Automatic focusing Obsolete JB/T 7474.4-2014
JB/T 7474.4-1994English199 Add to Cart 2 days [Need to translate] Specifications for autofocus of camera Obsolete JB/T 7474.4-1994

PDF similar to JB/T 7474.4-2014


Standard similar to JB/T 7474.4-2014

DY/T 8   JB/T 8249.1   JB/T 8249.2   JB/T 7474.1   

Basic data

Standard ID JB/T 7474.4-2014 (JB/T7474.4-2014)
Description (Translated English) Automatic camera technology conditions. Part 4: Automatic focusing
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard N46
Classification of International Standard 37.040.10
Word Count Estimation 6,658
Date of Issue 5/6/2014
Date of Implementation 10/1/2014
Older Standard (superseded by this standard) JB/T 7474.4-1994
Quoted Standard GB/T 3556-1993; JB/T 6263-2014; JB/T 7473-2014; JB/T 8248.6-1999
Regulation (derived from) Ministry of Industry and Information Technology - Announcement 2014 No 32; Industry standards for filing notice 2014 No. 6 (total 174).
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This Standard specifies the technical requirements and test methods for active auto-focus. This Standard applies to 35mm auto-focus camera.