Sigma 17-70mm f/2.8-4.5 DC IF Macro Lens for Canon Digital SLR Cameras


Product Feature
- Lens Construction - 15 Elements in 12 Groups
- Angle of View - 72.4 - 20.2 degrees
- 7 Diaphragm Blades
- Minimum Aperture F22
- Minimum Focusing Distance - 20cm (7.9 inches)
Product Description
Sigma 17-70mm f/2.8-4.5 DC IF Macro Lens for Canon Digital SLR CamerasSigma 17-70mm f/2.8-4.5 DC IF Macro Lens for Canon Digital SLR Cameras Review
This is the first non-Canon lens I've purchased and the Sigma 17-70/2.8-4.5 DC surprised the hell me with its fine performance. Zoom range, speed, resolution, low Chromatic Abberation, fast/sure autofocus speed and solid build quality make this lens stand head and shoulders above the typical cheap Canon kit lens such as the terrible Canon EF 18-55/4.5-5.6. Plus the Sigma has 1:2.3 macro capabilities with very sharp results...AMAZING! I've read more and more reviews all over the Internet on this Sigma lens that praise its qualities. This lens will compete with Canon lenses costing two and 3 times as much (EF 17-40, EF 18-50/2.8, EF 16-35/2.8). The Sigma 17-70 is constructed with one SLD low-dispersion glass element which is responsible for its excellent lack of Chromatic Aberation. At this price I never expected that kind of quality. Highly recommended!Most of the consumer Reviews tell that the "Sigma 17-70mm f/2.8-4.5 DC IF Macro Lens for Canon Digital SLR Cameras" are high quality item. You can read each testimony from consumers to find out cons and pros from Sigma 17-70mm f/2.8-4.5 DC IF Macro Lens for Canon Digital SLR Cameras ...

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