Sigma AF 18-125mm f/3.8-5.6 DC HSM OS - Review / Test Report - Sample Shots & Verdict
Lens Reviews - Nikon / Nikkor (APS-C)

Sample Shots

The following sample shots were taken with a D7000 and RAW-converted via CaptureOne.

Click on a thumbnail to view the original file (opens in a separate window).

Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 200
Focal Length 100.0mm
Aperture: f/8.0
Exposure 1/400s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 200
Focal Length 125.0mm
Aperture: f/8.0
Exposure 1/320s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 200
Focal Length 125.0mm
Aperture: f/8.0
Exposure 1/500s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 200
Focal Length 65.0mm
Aperture: f/8.0
Exposure 1/800s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 125
Focal Length 125.0mm
Aperture: f/8.0
Exposure 1/400s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 125
Focal Length 125.0mm
Aperture: f/5.6
Exposure 1/320s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 125
Focal Length 18.0mm
Aperture: f/8.0
Exposure 1/200s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 42.0mm
Aperture: f/8.0
Exposure 1/640s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 24.0mm
Aperture: f/7.1
Exposure 1/640s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 86.0mm
Aperture: f/5.6
Exposure 1/800s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 112.0mm
Aperture: f/8.0
Exposure 1/500s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 50.0mm
Aperture: f/4.8
Exposure 1/1250s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 22.0mm
Aperture: f/8.0
Exposure 1/640s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 160
Focal Length 55.0mm
Aperture: f/5.6
Exposure 1/250s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 160
Focal Length 125.0mm
Aperture: f/8.0
Exposure 1/250s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 160
Focal Length 100.0mm
Aperture: f/5.6
Exposure 1/125s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 160
Focal Length 18.0mm
Aperture: f/6.3
Exposure 1/320s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 55.0mm
Aperture: f/5.6
Exposure 1/500s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 70.0mm
Aperture: f/5.6
Exposure 1/500s
Make NIKON CORPORATION
Model NIKON D7000
ISO Speed 100
Focal Length 125.0mm
Aperture: f/5.6
Exposure 1/640s

Verdict

The Sigma AF 18-125mm f/3.8-5.6 DC HSM OS is an interesting lens with a couple of high and lows, which is quite typical for such extreme zoom range lenses. The resolution characteristic is generally decent - only the soft borders at longer focal lengths may be really objectionable. The vignetting could be better at 18mm and 125mm at max. aperture but frankly that's also nothing out of the ordinary in this class. CAs are comparatively well controlled, while distortion is a bit pronounced at the short end and around 50mm.

The build quality is on a very high level for this lens class. The AF performance is nothing special nor bad either. The OS (Optical Stabilizer) can give you a couple of extra f-stops in extreme situations but don't expect wonders - the specified gain of up to 4-stops is unlikely in field conditions. All-in-all a sound package when taking the pricing into account.

The F-mount version of the Sigma competes with the Nikon AF-S DX 18-105mm f/3.5-5.6 VR, which offers a little less range and lower build quality, but offers a bit better resolution across the zoom range at an even lower price.

Optical Quality:    
Mechanical Quality:
Price/Performance:
      
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