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Sigma 28-70mm f/2.8-4 DG Aspherical Large Aperture Zoom Lens for Canon SLR Cameras | 
| Brand: Sigma
Category: Photography
List Price: $149.00
Buy New: $118.01
You Save: $30.99 (21%)
Rating:  7 reviews
Media: Electronics
Fragile: No
Batteries Included: No
Optical Zoom: 2.5
Maximum Focal Length: 70
Minimum Focal Length: 28
Shipping Weight (lbs): 10
Dimensions (in): 9 x 9 x 9
MPN: B000AYW00O
Model: B000AYW00O
UPC: 085126634278
EAN: 0085126634278
ASIN: B000AYW00O
Release Date: October 25, 2005
Shipping: Eligible for Super Saver Shipping
Availability: Usually ships in 24 hours
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| Features:
| • | Large f2.8 aperture at 28-millimeter focal length; 6.5x zoom magnification | | • | Minimum focusing distance of 19.7 inches | | • | Multilayer lens coating and design reduce flare and ghost | | • | High image quality through entire zoom range with aspherical lens element | | • | For Canon 35mm and digital SLR cameras; supplied lens hood blocks out extraneous light |
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| Editorial Reviews:
Product Description
Sigma 28-70mm f2.8-4 high speed zoom lens features a large aperture with lightweight and compact dimensions. At a 28mm focal length, this lens has a fast f2.8 maximum aperture. The lightweight of 8.6 ounces and the short length of 2.6 inches makes this lens very compact. The size and weight of this standard lens make it very suitable for landscape photography and snapshots. This lens has a minimum focus distance of 19.7 inch, 50 cm at all focal lengths and incorporates an aspherical lens element to minimize distortion. The lens materials used in this new lens are lead and arsenic free ecological glass.
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| Customer Reviews: Read 2 more reviews...
 Sigma 70-150mm lens April 5, 2008
mudman (Florence, OR USA)
The lens was shipped in good order within the specefied time, however it wasn't shipped with a lens cap or case as the Sigma factory does. I am satisfied with the workings of the lens considering the low price. I like the fact that it is compact and light.
Good starter lens December 14, 2007
R. Croft
2 out of 2 found this review helpful
Decided to buy this lens after purchasing a [body only] Canon Rebel XTi. Comparing this with the Canon kit lens will reveal insignificant differences. Both decent lenses for basic still photos, but it really shoots as a 45mm-112mm lens because of the XTi's 1.6x field of view crop factor. Next step is an upgrade to a wider view Sigma 18-200mm lens [[ASIN: B000NOSCGM]]. I've seen photos with this lens that are stunning. Canon lenses are excellent, IMO, but they tend to be overpriced for the minimum quality trade-off with third party lenses like Sigma or Tamron.
 Is it better than the Rebel XT kit lens?... July 10, 2007
MJH
5 out of 5 found this review helpful
Well, you get what you pay for. I was looking for an alternative lens that was in the Xt's kit lens range because I didn't have a lot of money. The Xt's kit lens stinks below f/8 & I didn't expect the Sigma to be "much" better but I bought it used on a deal. I put both on a tripod and shot the same building scene on a sunny day. I found the Sigma to have less purple fringing especially in the lower f-stops where the Canon was terrible. Both are good from f/8 above but I felt the Sigma was a little sharper & that's why I use it over the Xt kit lens. Autofocus noise doesn't bother me much and it focuses fast enough for me (non pro). Build quality feels better than the Xt kit lens. You get a plastic hood for it, not on kit lens. Just remember...it's a low end lens so the 2.8 is almost useless. Just about any point & shoot will look sharper at 2.8 than this thing. It's pretty bad wide open & there's no point in using it. But I knew that when I was buying it and use it for outdoors shooting & usually keep it at f/8 or above. It's very pleasing for the price when used this way. Just get a Canon 50/1.8 for wide open shooting for a low price.
So I believe it is a little better than the Xt kit lens but don't expect any "real" performance from the wider apeture. 3 stars for good performance @ f/8 and beyond for low cost. (BTW, the Xt kit lens does go wider at 18mm which you might want to consider but I find it to stink also at 18mm even stopped down, so I didn't care about it being wider than the Sigma).
 For the price... June 14, 2007
Joey Daniels (houston TX)
5 out of 6 found this review helpful
This is a cheap lens, but for the money, it doesn't get much better. Great walk-around lens. Excellent if you are looking for a lens to use in whatever everyday situation you encounter. It is fast, it is easy, it has great DOF, large aperture, solid build, fast focusing, sharp pictures, and low price. you can't ask for much more than that, especially if you are paying so little. Get it, and buy it from me because MY lens WORKS. 5 stars. worth every penny.
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