Digital SLRs Associated blog

Features

• Zoom lens with Canon AF mount
• Special low-dispersion glass for high image quality
• 28 to 70 mm focal length
• f2.8 maximum aperture
• Inner focusing system allows add-on hoods and filters

Accessories

• Lowepro Lens Case 1S (Black)
• MADE Products CA-1110-SMK Lens Armor (Smoke)
• Lowepro Lens Case 1N (Black)
• Adorama Professional Lens Cleaning Kit
• Sima CapKeeper 2 - Lens cap strap (pack of 3 )

Editorial Reviews

Product Description:
This compact, large and constant F2.8 aperture zoom lens and is ideal for digital SLR cameras. Two SLD elements and four aspherical lenses provide the ultimate correction against distortion as well as all types of aberration, especially spherical aberration. Its advanced optical design ensures high performance throughout the entire zoom range.The use of aspherical lenses in the construction of this lens not only corrects aberrations but also produces a very small and lightweight lens design. Its compact, yet robust, construction has an overall length of 87.2mm (3.4in.), maximum diameter of 74mm (2.9in.), filter size of diameter 67mm and weight of 510g(18.0 ounces).

Customer Reviews

Soft, VERY Soft by Unhappy with Sigma
I am a amateur photographer, but was encountering situations where I needed a lens of this focal length which could accommodate less available light. My Canon kit lens only goes down to f5.6, and I had heard it was in general a poor quality lens. Well if it is, that makes this Sigma lens nothing but junk.

After receiving the lens, I noticed most pictures were very soft, almost out of focus. So a ran a number of controlled tests against my Canon kit lens, using both Auto focus and Manual focus with the Sigma lens (on a tripod, of course). In all cases, the Canon lens produced MUCH sharper pictures. How could this be, I asked myself.

So I sent the pics and an explanation, along with the lens, to Sigma for repair / adjustment. Two weeks later they returned the lens indicating they had adjusted the AF, and tested the lens, and all was now OK.

I beg to differ. I ran more tests, and guess what! The Canon lens wins again. Needless to say, if you want sharp pictures, forget this lens. You’ll probably pay twice as much for the similar Canon lens, but you’ll probably get pictures twice as nice.

OUTSTANDING LENS At A Very Affordable Price by Jennifer Hill
This lens is an amazing piece of glass at a remarkably affordable price. While I will readily admit a preference for Canon’s signature lenses, especially the IS line, this lens is very tack sharp and shows little or no blur with small jitters. For a closer range lens this is a perfect economical choice for those who want to take better portraits.

Used for Basketball with excellent results by Coach in Cleveland
Purchased to take pictures of High School basketball games and very pleased with the sharp, crisp stop-action pictures.

Good “walk-around” lens by FP3 Guy
This lens is a little heavy on the xti (compared to the 35mm and 50mm primes I normally shoot with). It feels very well made and can focus very close. I think it is a great lens for the money and it performs well.

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