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Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Lens Hands-On

Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Lens Hands-On - Have a look at the new Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Lens.

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Category : Interchangeable Lenses
Product : Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM
Price : £449
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18-250mm f/3.5-6.3 DC Macro OS HSM
Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM

The new Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM lens is the first lens to use Thermally Stable Composite (TSC), meaning that tighter construction using thinner and lighter materials can be achieved. Read more in the Sigma 18-250mm f/3.5-6.3 news story.

Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Performance


Sigm18-250mmMTF@18mm
MTF@18mm
Sigm18-250mmMTF@80mm
MTF@80mm
MTF@250mm
MTF@250mm

How to read our charts:

The blue column represents readings from the centre of the picture frame at the various apertures and the green is from the edges. Averaging them out gives the red weighted column.

The scale on the left side is an indication of actual image resolution. The taller the column, the better the lens performance. Simple.

For this review, the lens was tested on a Canon EOS 7D using Imatest.

Chromatic Aberration Charts:

CA@18mm
CA@18mm
CA@80mm
CA@80mm
CA@250mm
CA@250mm

How to read our charts:

Chromatic aberration is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software.

Apochromatic lenses have special lens elements (aspheric, extra-low dispersion etc) to minimize the problem, hence they usually cost more.

For this review, the lens was tested on a Canon EOS 7D using Imatest.

The Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM lens is available for pre-order from Harrison Cameras.

Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Photos of Equipment



Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Specifications

ManufacturerSigma
General
Lens Mounts
  • Nikon AF
Lens
Focal Length18mm - 250mm
Angle of View6.5 - 76.5
Max Aperturef/3.5 - f/6.3
Min Aperturef/22
Filter Size62mm
35mm equivalentNo Data
Internal focusingNo Data
Focusing
Min Focus35cm
StabilisedNo Data
Construction
Blades7
Elements16
Groups13
Box Contents
Box ContentsNo Data
Dimensions
Weight470g
Height88.6mm

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