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Do You Think These Look Soft?

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Do You Think These Look Soft?

  • jessthespringer
    Participant

    I got a Sigma 10-20 for Christmas but only really got using it this w’end. Was a bit let down by how the pictures look, I thought they would have looked a bit sharper.
    Am I just being picky?
    Would really like to know what you think.

    Sinead.

    nfl-fan
    Participant

    Can you post the Exif info? Not available on the images. Would help in deducing if there’s an issue. At first glance they look reasonable to me.

    What camera you using? Canon’s tend to require a lot of sharpening during post-processing with the exception of maybe the 5D and up.

    randomway
    Member

    I thought I got a bad copy of that lens when I bought it… if you read too many forums, you start thinking that. Your photos look good enough at this size. It’s very important to focus it exactly where you want it and close down the aperture smaller than f/8… that’s what I think anyway. Your photos were taken on an overcast day, no wonder they are a bit low contrast and dull… it can be fixed easily.

    Post some closer crops if you are still concerned and let us know what setting you use.

    Zoltan

    jessthespringer
    Participant

    Nikon D80, have been using a 50mm f1.4 for a while, maybe I’m just a bit spoilt.

    First, f16, 6″, iso 100, 16mm

    Second, f14, 1/25, iso 100, 10mm

    Third, f18, 1/10, iso 100, 18mm

    Used tripod for all, prob self timer as well. No PP

    jessthespringer
    Participant

    Not worried about contrast etc, just the sharpness.

    jb7
    Participant

    Its possible you might be seeing some diffraction-
    you could try f/8 as zoltan suggests-

    You certainly don’t need to stop down so much for these subjects-

    j

    nfl-fan
    Participant

    I can’t see any issues to be honest. I’m not an expert but I’d like to think I could tell a soft image if I seen one.

    Were these sharpened at all during post-processing or are they straight from the camera?

    jessthespringer
    Participant
    jessthespringer
    Participant

    Am looking for one with a wider aperture, no sharpening done.. I know I focused on the tree, but it looks soft to me.

    nfl-fan
    Participant

    The closer image doesn’t look great, but its hard to tell because the light is quite harsh and the smaller twigs get lost in the sky.

    jessthespringer
    Participant

    Here is another crop

    jessthespringer
    Participant
    jb7
    Participant

    Are these at 100%?
    without reduction?

    They look fine to me-
    could have done with slightly more exposure on the tree,
    if that was the subject-

    If you want to test a lens,
    you need to eliminate all the other variables-
    which means a good tripod,
    mirror lock-up,
    and no movement in the subject- no wind, in this case-

    There’s a lot of sky in the picture-
    this will cause some flare,
    although in my experience this lens doesn’t suffer from much-
    nothing nearly as much as the Sigma 12-24mm, unfortunately-

    But it will cause a reduction in contrast, in the last picture you posted-
    you’re demanding quite a lot from the lens in that picture-

    The lens does look sharp to me-

    are these from a raw file?
    are they at 100%?

    All images benefit from sharpening, an increase in local contrast-

    j

    randomway
    Member

    On the last one of the three images you posted first, it looks like the focus is on the foreground before the tree.

    jessthespringer
    Participant

    J, they are from raw files, my tripod is decent, never had any problems with it before. Didn’t use mirror up.
    Not sure I understand what you mean by demanding quite a lot from the lens?? Don’t mean to sound arsey,
    but surely that is what a lens is for?

    I think this is 100% (I didn’t resize it).

    Zoltan, you are prob right about focus being on foreground. I still don’t think it’s sharp though.

    Do you all think I’m being picky?

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