see also:

• the Olympus OM-D system and how to make the most of it
• long exposure modes in Olympus cameras

• another long exposure mode pioneered by Olympus in their Micro Four Thirds system
• essentially allows one to press the shutter release to start the exposure then when you think it has had enough exposure, you simply press the shutter release again
• note: Olympus Live Composite mode may be even more useful for you!

• in the Menu, set:
  • Cogs E. Exp/ISO: BULB/TIME Timer to your maximum desired exposure duration (1-30 minutes)
  • Cogs E. Exp/ISO: Live TIME to OFF (otherwise you get Olympus Live Time mode)
• set IS to OFF (assuming you are using a tripod)
• select Manual exposure mode on the PASM dial
• select ISO and aperture
• set shutter to Live Time
• press the shutter release to start the exposure
• watch the screen
• press the shutter release to end the exposure