http://photo.net/bboard/forum?topic_id=1902 Olympus and Four-Thirds Forum at photo.net en-us Copyright 1996-2003, photo.net contributors 2009-11-21T22:29:37-05:00 photo.net publisher@photo.net Olympus and Four-Thirds http://photo.net/olympus-camera-forum/00V4FC Does anyone know where I can get an optical diagram of the last ('Made in Japan') version of the Olympus OM 50mm lens? The earlier version was 6 elements in 5 groups and there are several optical diagrams ... Jim Baker Olympus and Four-Thirds 2009-11-21T10:59:18-05:00