距离编码 meaning in English

range coding

Indicates the distance encoder system . when attached to the dynax 7 , 5 , 4 or 3l the d lens makes features such as adi ( advance distance integration ) flash metering possible with program flash 5600 hs ( d ) , 3600 hs ( d ) as well as with each respective camera s built - in flash
表示距离编码系统将d镜头安装在dynax7 、 dynax5或dynax3上时，不管配合programflash5600hs ( d ) 、 3600hs ( d )或各相机的内置闪灯，皆可使用如adi (先进综合距离)闪灯测光等功能。