Technical Patent Glossary Entry

Term ID: 854614
Source ID: 5
Last Modified: 20110223

Chinese (Traditional): 有效焦距
English: effective focal length

IPC Classifications: -G/02/B/27/18 -H/01/L/33/0 -G/02/B/27/18 -H/01/L/33/0 -G/03/B/3/0 -G/02/B/7/10 -G/02/B/15/14 -G/02/B/7/4 -G/02/B/15/14 -G/02/B/7/4 -G/02/B/15/16 -G/03/B/21/0 -G/02/B/15/0 -G/03/B/27/14 -G/02/B/11/30 -G/02/B/9/60 -G/02/B/13/18 -G/21/K/4/0 -G/02/B/15/0 -G/02/B/15/16 -G/03/B/21/0 -G/01/M/11/2