see also:

• Olympus OM lenses
• wide aperture telephoto in 135-150mm range for Micro Four Thirds

• wonderfully compact full frame manual focus lenses
• great on Micro Four Thirds system for concerts

• older version is marked E-Zuiko
• newer version is marked Zuiko and the last version was also marked MC (from 1977/78 onwards) designating it is multi-coated for reduced lens flare
  • it is said there were two later MC versions, type-2 and type-3, the latter one of the newer NMC coating technology, probably starting at around serial number 195,000, initially still marked ZUIKO MC, but later ZUIKO only
• 5 groups, 5 elements
• close focus 1.5m
• straight helicoid focusing
• 55mm filter
• built-in lens hood
• 61mm diam x 80mm long
• 360g (12.7oz)

• older version is marked E-Zuiko
• newer version is marked Zuiko and the last version was also marked MC (from 1983/84 onwards) designating it is multi-coated for reduced lens flare
• 4 groups, 5 elements
• close focus 1.5m
• straight helicoid focusing
• 49mm filter
• built-in lens hood
• 60mm diam x 73mm long
• 290g (10.2oz)