see also:

• Micro Four Thirds system
• macrophotography
• macrophotography for Micro Four Thirds cameras
• TTL flash for Micro Four Thirds cameras

• one of the 1st lenses designed for Micro Four Thirds system
• released at a time when there were no wide aperture portrait lenses specifically for this system and thus many were disappointed with its f/2.8 aperture which limits its utility as a portrait lens.
• makes a fine 1:1 macro lens with optical IS and focus limiter
• see also:
  • Olympus ZD 50mm f/2.0 macro lens
  • Olympus m.ZD 60mm f/2.8 macro lens