1. Welcome to Mu-43.com—a friendly Micro 4/3 camera & photography discussion forum!

    If you are thinking of buying a camera or need help with your photos, you will find our forum members full of advice! Click here to join for free!

12-50 and 40-150 focus speeds ...

Discussion in 'Native Lenses' started by jeffryscott, Jun 13, 2012.

  1. jeffryscott

    jeffryscott Mu-43 Top Veteran

    505
    Jul 2, 2010
    Arizona
    Just got the 12-50 and am impressed with the focus speed on the OM-D. I've read a few comments that the 40-150 is similar in focus speed.

    What say you?
     
  2. bongestrella

    bongestrella Mu-43 Veteran

    404
    Sep 2, 2011
    Mechanicsburg, PA
    Based on my experience, the 40-150 is a little bit slower to focus around 130mm onwards. Nothing too serious though. Noticeable but certainly not a cause for concern.
     
  3. RevBob

    RevBob Super Moderator Subscribing Member

    Jun 4, 2011
    NorthWestern PA
    Bob
    Mine is on an E-P3 but I'd say the same.:smile:
     
  4. efoo

    efoo Mu-43 Regular

    93
    Jun 5, 2012
    Sydney, Australia
    Eddie
    So you are noticing both the 12-50 and 40-150 lenses AF at the same speed on your E-P3?
     
  5. RevBob

    RevBob Super Moderator Subscribing Member

    Jun 4, 2011
    NorthWestern PA
    Bob
    Sorry, I wasn't clear: I agreed that the 40-150 focusses quite quickly on the E-P3 but slows a bit past 130mm. I'm still waiting to try the 12-50. I can't imagine the 40-150 would be slower to focus on the OM-D, if anything, I would expect it to be a bit faster. I suppose the 12-50 could be faster to focus but I'm not sure it would be noticeable. (At some point fast is just fast unless you use a stopwatch). :biggrin:
     
  6. silversx80

    silversx80 Mu-43 Veteran

    229
    Apr 27, 2012
    North Carolina
    The m.40-150 focuses just ever-so-slightly slower than the 12-50. It's nearly unnoticeable. In fact, if feels like it focuses faster at 40-50mm, than the 12-50 does at 40-50mm.

    Honestly, the difference is so subtle that I could only imagine measuring it in a lab.
     
  7. bongestrella

    bongestrella Mu-43 Veteran

    404
    Sep 2, 2011
    Mechanicsburg, PA
    Agreed. It's come to a point where fast, very fast, and extremely fast are one and the same.
     
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.