What are the differences between an OM-2 and an OM-2N?
In addition to the new features of the OM-1N, the OM-2N has an exposure compensation warning flag, full-frame averaging at all shutter speeds, and 120 second exposure limit on auto. The OM-2 limit was stated as 60 seconds in the manual, although at least one person reports that this is not a hard limit — his OM-2 shutter will stay open as long as required. If someone who actually has an OM-2 could confirm this, it would be appreciated. Thanks to Ari Lehtonen