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Thinking about the Sigma 50-150mm

Discussion in 'Lens Lust' started by adaml, Sep 11, 2008.

  1. adaml


    Feb 21, 2006
    I try to stick with Nikon as much as I can, but Nikon doesn't have this focal length in its lineup. Since my main camera is a FF, and my backup is DX, this focal length can cover some gaps when I'm out using two bodies, which is pretty much all the time.

    I'd appreciate input from anyone who uses this lens.
  2. I like this lens. I use it mostly as a medium length portrait zoom lens. It is a light and compact lens compared to any of the 80-200 or 70-200 f2.8 zooms on the market. With two young children I find the size of the 50-150 very manageable. I really do not think I would carry a 80-200 or 70-200 lens around on a regular basis with the family, while I will bring the 50-150 along without a second thought. It is very easy to handhold. An optically stabilized 50-150 f2.8 lens would be amazing, I think.

    In terms of performance, it is OK wide open; a bit soft but acceptable. By f/4 I think sharpness is very good to excellent. Focus is fast and accurate at all but very close distances. I do think that my copy front-focuses slightly at very close distances (2-3 feet), something that has been commented upon in other reviews. However, in practice I do not use the lens at distances where focus becomes a problem.

    - light and compact; really nothing else like it from Nikon
    - fast focus with HSM
    - IMO acceptable IQ at f/2.8, very good/excellent at f/4 and beyond

    - ?front focus at close subject distance

    Two sample images. Both have had a small amount of capture sharpening applied but nothing drastic and no other PP.

    f/2.8 1/60 58mm ISO 220

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    f/4 1/1600 ISO 100

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  3. avyoung


    Dec 17, 2007
    I have been happy with mine, but it has some faults.

    Light weight and small size allow easy handling. Good range for DX. Fast focusing, but does not always track as solidly as AFS Nikkor lenses. 50-100mm it is very sharp wide open. At 150mm it is not as sharp at F2.8, but sharpens up by F3.5. It has some red color fringing around very bright highlights that are bothersome.

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    150mm; F2.8. Focus was on chest. Sharp, but not tack sharp.

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    150mm; F2.8; lower third of frame has lower contrast as sun was shining on front element (didn't use the hood on this shot--I always use the lens hood now and haven't had this problems since).

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    98mm; F2.8; slight crop.

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    50mm; F2.8.

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    150mm; F4.0; 100% crop. Red color blooming around highlights.
    Last edited by a moderator: Sep 12, 2008
  4. adaml


    Feb 21, 2006
    Thanks for the info and especially the photoes, they're great.

    You've confirmed my thinking and research. I'm going to see about picking one up tomorrow!
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