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Lumix 14-140 and G3 > Sharpness ?

Discussion in 'Native Lenses' started by mgr, May 28, 2012.

  1. mgr

    mgr Mu-43 Regular

    Used the 14-140mm with a G1 so far, and was always satisfied.

    Changed now to a G3, and I'm disappointed about the sharpness result's.
    8 out if 10 pictures are very soft and it does not matter which focal lenght.
    When I shoot with the 100-300mm, I get good results.

    Some one made same experience ?

    Thanks for any feedback

    regards
    Manfred
     
  2. ~tc~

    ~tc~ Mu-43 Hall of Famer

    Oct 22, 2010
    Houston, TX
    Do you have some samples?

    Which mode/settings are you using on the G3? You could probably stand to turn down the NR quite a bit.
     
  3. mgr

    mgr Mu-43 Regular

    Distance is around 30meters
    Camera laying fix on the table (not freehand)
    time = 1/125 / F = 5.7 / focal = 135mm
    focus on the face
    the crop is 1:1 out of the original size



    7290099836_7b36cb8f0c_o.


    7290065762_3618f9bc1e_o.
     
  4. troll

    troll Mu-43 Veteran

    224
    Jan 25, 2012
    Maybe the focus's missing? The window behind the man looks good, or so it appears, not sure.
     
  5. crsnydertx

    crsnydertx Mu-43 Top Veteran

    995
    Dec 31, 2010
    Houston, TX
    Chuck
    OIS on 14-140 set to on? If sitting on table, could OIS introduce some vibration?
     
  6. jyc860923

    jyc860923 Mu-43 Hall of Famer

    Feb 28, 2012
    Shenyang, China
    贾一川
    I think it's due to missing focus, apparently that G3 is not driving the AF motor precisely, both camera and lens damage can cause that, if you could try the G1+14140 again or G3 with other lenses it'll be easy to know.
     
  7. mgr

    mgr Mu-43 Regular

    IOS was on

    Figured out, when switched to "point-focus" mode instead of "field-focus"
    the results are better.

    Will do some comparison shot's also with the G1;


    Thanks so far

    rgds
    Manfred
     
  8. jyc860923

    jyc860923 Mu-43 Hall of Famer

    Feb 28, 2012
    Shenyang, China
    贾一川
    Does that mean G1's field focus does better than G3's? I'm having some blur images with field focus on GF3 sometimes, it's not smart enough
     
  9. mgr

    mgr Mu-43 Regular

    I shot more or less with "field-focus" mode only so far; with G1 as G3

    Just experimented a little bit at a weekend trip, and figured
    out afterwards, that these few pictures shot in point mode seem to have
    a correct focus.

    As posted at the beginning, I do not have the same with the 100-300 glas.

    Manfred
     
    • Like Like x 1
  10. mgr

    mgr Mu-43 Regular

    Did some tests shots today, and I'm helpless;
    Shot with focal lenght 120mm, freehand, with OIS, and f5.7
    Compared the 14-140 and the 100-300, both @120mm
    Same camera settings with the G3

    The 100-300 is much sharper than the 14-140.

    Either my 14-140 is of poor quality or this lens is just much softer than I expect
    Your comments are apreciated

    Both are 1:1 crop of the original size:

    7297125940_37e6c379b4_h.

    7297125956_583e66c2a2_h.
     
  11. blue

    blue Mu-43 Veteran

    280
    Jun 1, 2010
    UK
    To eliminate the possibility of shake try them on a tripod with OIS off. Try also using manual focus, again on tripod. Maybe the 14-140 is damaged or OIS not working ? There seems to be more difference than you'd expect in those bike shots for sure.