This standard specifies the basic technical requirements and test methods for built-in flash in cameras. This standard applies to cameras with built-in flash.
JB/T 7474.1-1994 history
2016JB/T 7474.1-2016 Technical specifications of automatic cameras Part 1: built-in flash
1994JB/T 7474.1-1994 Specifications for built-in flash lamp in camera