Panasonic 14/2.5 + GWC1 wide-angle converter?

Discussion in 'Native Lenses' started by dhazeghi, May 19, 2013.

  1. dhazeghi

    dhazeghi Mu-43 Hall of Famer Subscribing Member

    Aug 6, 2010
    San Jose, CA
    I've seen a few people with the Panasonic 14/2.5 and the DMW-GWC1 wide-angle converter.

    I'm wondering if anybody has had a chance to compare it to either the Olympus 12/2 or the Panasonic 12-35/2.8 at the wide end.

    Yes, I know it's just a conversion lens, but neither of the other 2 options are exceptional at that focal length for landscapes (smeary corners), so if the 14/2.5 + GWC1 combo is reasonably close, I'd be interested in giving it a try. I'd also be curious to know how much the AoV shrinks once you correct for the additional barrel distortion from the GWC1. Now that my goto 12mm lens (ZD 12-60) has failed again, I'm trying to gauge the alternatives.

  2. keko

    keko Mu-43 Rookie

    May 19, 2013
    Although I've no experience with other wide angle lenses on m43 and haven't done any testing yet as to how much is lost by in-camera distortion correction, I thought I'd share my very first shots with the Pana 14 2.5+GWC1, which I got a few hours ago.

    I got my adapter for €56, apparently a demo unit, but in perfect shape.
    Will try to compare it to my APS-C Tokina 12-24 when I find the time.

    Attached Files:

  3. dhazeghi

    dhazeghi Mu-43 Hall of Famer Subscribing Member

    Aug 6, 2010
    San Jose, CA
    Thanks for sharing your samples! Looks like you got quite the deal on the adapter too.

    I'd definitely be interested in hearing your thoughts on the combo. vs. the 12-24 which I recall being quite well-regarded.
  4. neon123

    neon123 Mu-43 Rookie

    Jul 2, 2012
    I love my GWC-1, I didn't (and don't) have the budget for any of the ultrawide zooms so the adapter so it really was the only option for nice wide shots.

    The quality in the corners isn't the greatest, but when you're not pixel peeping it can make some really cool shots!

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  5. jyc860923

    jyc860923 Mu-43 Hall of Famer Subscribing Member

    Feb 28, 2012
    Shenyang, China
    guys I know this question is strange, but any experience of using the converter on other 46mm filter lenses?

    I used to own the 14 2.5 and I really liked about the centre sharpness, and wasn't quite satisfied with the corner sharpness and colour. I'm thinking about using it on the 25 1.4 and sigma 60 2.8 if possible. and another question will be does wide converter affect f number?
  6. pellicle

    pellicle Mu-43 Hall of Famer

    Feb 10, 2010
    Kiillarney, OzTrailEYa
    Some views on this combo

    Its very good but its not equivalent to a thousand dollar lens. It has some virtues and to me is quite satisfactory (and I have high but realistic standards).

    I put some thoughts about its physical sides here

    Compared physically to the 12mm, y essentially get two lenses for the price of one: the whole shebang and a 14mm at a twist.


    You can see its (mounted on the 14) physically similar to the Oly 12 when mounted on a compact body like a GF, and doesn't look out of place IMO


    Edge image quality is comparable to the 9-18mm from 43 mount. This is a pair of 100% crops from an image

    Overview with frames showing adapted and standard 14mm superimposed over the 9mm

    14+ GWC1

    I'm really pleased with mine.
    Added to my 20mm the trio mages a great travel set :) 
    • Like Like x 1
  7. D7k1

    D7k1 Mu-43 All-Pro Subscribing Member

    Nov 18, 2013
    Yep, +1 - I really like mine. the 14/GWC1/Sigma 30mm make a killer, low cost travel kit on my EP5. Look in the EP5 image thread recently to see some of the 400 images I took with the EP5/14/GWC1 on my last trip.
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