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40-150mm

Discussion in 'Native Lenses' started by orwell, Dec 12, 2014.

  1. orwell

    orwell Mu-43 Rookie

    21
    Jul 29, 2012
    what's the difference between 40-150mm f/4.0-5.6 M.ZUIKO Digital ED and 40-150mm f4.0-5.6 R M.Zuiko Digital ED. i'm guessing the R M version is the new one of the two.
     
  2. Ccasey

    Ccasey Mu-43 Regular

    157
    Jul 29, 2011
    Austin, TX
    Chris
    I think the R version was released around the E-P3 timeframe. My speculation/understanding was that there had been AF performance improvements when going to the R, but I don't know if that's really the case.

    EDIT: sorry - I think the R is the newer version
     
  3. wjiang

    wjiang Mu-43 Hall of Famer

    The R is the newer version. There are cosmetic changes but the main difference is better coatings on the optical elements.
     
  4. HarryS

    HarryS Mu-43 Top Veteran

    918
    Jun 23, 2012
    Midwest, USA
    I always thought they were optically the same, and the factory may have changed their coating process as time went on. Maybe the later coatings were eaier to deposit.
     
  5. orwell

    orwell Mu-43 Rookie

    21
    Jul 29, 2012
    thank you. i've just brought a R version at good price. well it'll give me the extra reach i'm after till i can afford the pro version.