Sigma 8-16mm f/4.5-5.6 DC HSM Review

The Sigma 8-16mm f/4.5-5.6 DC HSM lens is currently the widest consumer lens for DSLR camera with 1.6x crop factor available in the market. The lens nearest of this ultra wide zoom lens is Sigma 12-24mm F4.5-5.6 DG HSM II lens and Sigma 10-20mm F4-5.6 EX DC HSM lens. When compared with the Sigma 10-20mm F4-5.6 EX DC lens, the Sigma 8-16mm f/4.5-5.6 DC HSM lens has the widest angle of up to 114.5 degrees.

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The Sigma 8-16mm f/4.5-5.6 DC HSM has a minimum focus length 8mm that was designed specifically for APS-C size image sensor. When used with a digital camera with an APS-C image sensor, the lens has an angle of view is almost equivalent to a 12-24mm lens. To compensate for chromatic aberration the Sigma 8-16mm f/4.5-5.6 DC HSM lens uses glass FLD features that have the same performance as fluorite glass.

This lens is equipped with hybrid aspherical lense and two glass elements to provide excellent correction of distortion and astigmatism including an inner focusing system to produces high detail of images throughout the entire zoom range. To reduce flare and ghosting, the lens use a Super Multi-Layer Coating, while to ensure high contrast images throughout the zoom range the lens uses a superior peripheral brightness.

The Sigma 8-16mm f/4.5-5.6 DC HSM uses HSM features to ensure a quiet and high speed AF as well as full-time manual focus capability. The lens has a minimum focusing distance of 9.4″ throughout the entire zoom range to provide photographers for emphasize the subject by creating exaggerated perspectives. This lens has a compact construction with an overall length of 4.2″ and a maximum diameter of 2.9″.

Test Result
In test the Sigma 8-16mm f/4.5-5.6 DC HSM lens produces the amount of barrel distortion is severe enough to complex (2.9%) on the focal length of 8mm which is typical for lens this wide.

The Sigma 8-16mm f/4.5-5.6 DC HSM is capable of producing excellent sharpness at the center on each setting and aperture. At 8mm, the sharpness sides slightly softer than other settings. Best quality is at f/8 to f/11, with very good sharpness at the center, even at the edge of the increased resolution the better.

These lenses suffer from “natural vignetting” a certain amount, so it is not surprising that the vignetting figure showed a worse outcome than usual. The Sigma 8-16mm f/4.5-5.6 DC HSM has a bad falloff in 8mm f/4.5, therefore you are advised to stop down to f / 8 to address this issue to the level that is acceptable.

The Sigma 8-16mm f/4.5-5.6 DC HSM has a solid build quality and impressive picture quality. The lens is able to produce very sharp images and very well controlled chromatic aberration. With a fast and accurate Autofocus, this lens is perfect for landscape photographers, weddings, architecture, photojournalism, and more.

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