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Sigma AF 24-70mm f2.8 DG EX Macro Zoom Lens for Canon

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WebCode: 214477 Mfr item: EX2470DGC

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Sigma AF 24-70mm f2.8 DG EX Macro Zoom Lens for Canon

To achieve an F2.8 aperture at all focal lengths, it employs three aspherical Lens to provide optimum aberration compensation. Two Special Low Dispersion (SLD) glass elements are provided for color aberration compensation, to assure high image quality.

Optimized for digital SLR cameras
IIt incorporates "Super Multi Layer Coating" to reduce the influence of harmful light caused by reflections from the digital image sensor.

Excellent correction of aberrations
Two SLD elements, one Glass Mold Aspherical plus two Hybrid Aspherical lenses provide excellent correction of various aberrations and a high level of optical performance.

Minimum focusing distance of 40cm (15.7 inches)
The lens has a minimum focusing distance of 40cm (15.7 inches) at all focal lengths and is capable of macro photography with a maximum magnification ratio of 1:3.8.

DF (Dual Focus) System
This lens incorporates a Dual Focus (DF) system that is designed to make the lens easy to hold during autofocusing, and yet provides a large focus ring for easy manual focusing.

Petal Type Hood
Since the front of the lens does not rotate, a Petal-type hood and circular polarizing filters can be easily used.

Sample Image

A little about Wide Angle Lenses?

Wide angle lenses are ideal for capturing large subject areas whether it is landscapes, nature, outdoor scenes, or large groups. Any lens with a focal length much smaller than 50mm is considered a wide angle lens. Its design also allows for larger views in tight spaces. That makes it great for not cutting off important subject matter when increasing the distance between yourself and the subject is impossible.

Another benefit of wide angle lenses is that they are great for accentuating the foreground keeping it super sharp. At the same time, wide angle lenses make the background seem much further away. A prominent foreground set against a receding background often results in a very pleasing effect. Compared to a standard lens, wide angles have a better depth of field and clarity. 24mm and 28mm are the most common focal lengths.

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