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Some very first shots with the 20mm/f1.4 Pro

Yannis1976
May 2, 2023
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    Yannis1976
    Members 19 posts
    May 2, 2023, 8:35 p.m. May 2, 2023, 8:35 p.m.
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    I bought it used a couple of days ago but I am not sure if this lens should be "Pro" graded... Bokeh is really nice for close ups, focus is fast, but not sure about sharpness and especially about the excessive chromatic aberration I see in those images...

    _5011472.jpg

    JPG, 1.9 MB, uploaded by Yannis1976 on May 2, 2023.

    _5011471-Edit-2.jpg

    JPG, 2.0 MB, uploaded by Yannis1976 on May 2, 2023.

    _5011460-Edit.jpg

    JPG, 362.4 KB, uploaded by Yannis1976 on May 2, 2023.

    Joeletx likes this.

    favorite 1

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    19andrew47
    Members 568 posts
    May 3, 2023, 12:28 p.m. May 3, 2023, 12:28 p.m.
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    It does appear to be excessive. Perhaps a bad copy?
    Andrew

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    KeithWC
    Members 40 posts
    May 3, 2023, 4:34 p.m. May 3, 2023, 4:34 p.m.
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    Hi, no modern lens on its own would normally give such results. How were these photos processed?

    The results also seem variable. Out-of-focus parts of the images can vary, especially without the necessary correction..

    As this is a used lens it may have been dropped & a lens element displaced. Query this with the seller & ask him to supply standard photos taken with this lens. If your processing is standard & works with any other lenses then you should return it to the seller for a refund.

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    Yannis1976
    Members 19 posts
    May 3, 2023, 5:46 p.m. May 3, 2023, 5:46 p.m.
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    Any idea how I can correct this? Also shall I check also the Olympus jpeg if that is corrected?

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    allematic
    Members 4 posts
    May 3, 2023, 8:36 p.m. May 3, 2023, 8:36 p.m.
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    That's why I bought the Panaleica 25/1.4 instead.

    Felice62 likes this.

    favorite 1

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    19andrew47
    Members 568 posts
    May 7, 2023, 6:24 p.m. May 7, 2023, 6:24 p.m.
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    The test by Lenstip of that lens showed a large amount of chromatic aberration in the sample they tested, so perhaps a lens flaw!

    www.lenstip.com/623.11-Lens_review-OM_System_M.Zuiko_Digital_20_mm_f_1.4_PRO_Summary.html

    Andrew

    Felice62 likes this.

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    BobT
    Members 14 posts
    May 8, 2023, 11:19 p.m. May 8, 2023, 11:19 p.m.
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    The CA is pretty bad. The OP doesn't say what camera or software is used. I'm thinking maybe the in-camera lens correction wasn't applied by either the camera or the raw conversion software. That would happen with an older camera or a non-m4/3 camera with an adaptor.

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    grsnovi
    Members 81 posts
    May 9, 2023, 3:02 a.m. May 9, 2023, 3:02 a.m.
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    @BobT has written:

    The OP doesn't say what camera or software is used

    The exif says he's using an OM-5

    BobT likes this.

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    BobT
    Members 14 posts
    May 9, 2023, 4:44 a.m. May 9, 2023, 4:44 a.m.
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    Thanks, so it's not the camera. Maybe the software used, otherwise, it's a dud.

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    AnnieNg
    Members 90 posts
    May 9, 2023, 6:05 a.m. May 9, 2023, 6:05 a.m.
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    Hi, I also got my OM 20mm F1.4 Pro recently, and paired it with my OM-5 too.

    I attached here a link to my raw file and anyone might check if it exhibits the same issues of CA as the OP.

    _4280002_DxO_Small.jpg
    (Small JPEG processed by DxO PL6)

    _4280002_DxO_Small.jpg

    JPG, 867.6 KB, uploaded by AnnieNg on May 9, 2023.

    HikerJim likes this.

    favorite 1

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    BobT
    Members 14 posts
    May 9, 2023, 8:26 a.m. May 9, 2023, 8:26 a.m.
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    I see no problem there.

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    TorsteinH
    Members 15 posts
    June 13, 2023, 8:55 a.m. June 13, 2023, 8:55 a.m.
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    Are the jpg files directly from camera or are you using a software to develop from RAW?

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