Sigma 17-70mm f/2.8-4.5 DC IF Macro

Last updated (18 June’10):
- Review by Photozone

Sigma 17-70mm f/2.8-4.5 DC IF Macro features 17-70mm at focal length with maximum aperture of f/2.8-4.5. The lens construction has 15 elements in 12 groups and has diagonal angle of view at 72.4 to 20.2 degrees. Closest focusing distance at 7.9 inches and has a filter size of 72mm. The Sigma 17-70mm f/2.8-4.5 DC IF Macro lens weighs 16.0 ounces and it measures 3.1 inches in diameter and 3.2 inches long.

Sigma 17-70mm f/2.8-4.5 DC IF Macro
Overall Rating: ★★★★☆ | Latest Price Info


Expert Reviews

Sigma 17-70mm f/2.8-4.5 DC IF Macro Reviews

Photozone reviews the Sigma 17-70mm f/2.8-4.5 DC IF Macro and writes;
“At medium aperture settings the delivered quality is very impressive. Combine that with the quite decent build quality and fast AF and it doesn’t need a genius to foresee that this lens will be a quite hot seller. “
Rating: ★★★★☆

Ephotozine reviews the Sigma 17-70mm f/2.8-4.5 DC IF Macro and writes;
“The DC/DG coating that Sigma now uses has gone a long way to improving their lens’s contrast and this shows well in this example. The close focus ability of this offering also helps to greatly increase its versatility.”
rating: N/A

User Opinions

Sigma 17-70mm f/2.8-4.5 DC IF Macro User Reviews

A great lens for my D40 | Rating: ★★★★★
“This lens has replaced my Nikon D40′s 18-55mm kit lens as the one that stays on my camera most of the time. It outperforms the kit lens in every way. It is sharper, has better reach at 70mm, and 2.8-4.5 aperture. The near macro capability is nice. “ – by K. Wedgworth

Great lens for the price | Rating: ★★★★☆
“I use this on my SD14 for infrared photography. I use a Canon 50d for standard photography. The lens has a great range and is sharp and relatively fast. I really think this lens is the quality of the EX series. And it if it were 2.8 at 70mm it would probably be designated as one. Excellent build, Very sharp, Fast autofocus for not being HSM.” – by MERTMAG

Excellent walk-around lens | Rating: ★★★★★
“This is an excellent walk-around lens! I use it with a D70s (old camera now, but still good) and this stays on my camera most of the time. f2.8 at the wide end (17mm) allows for flexibility when taking pictures indoors. All pictures I have taken with this lens have been sharp. No chromatic aberration or vignetting in my experience.” – by Shariq A

Know what you’re getting. | Rating: ★★★★★
“The main difference between this lens and my expensive glass optically is the Bokah is better on the expensive glass (the bokah on the sigma is kind of grainy without the nice round specular highlights of my nikon 28-70), the barrel distortion at 17mm is also pretty noticeable on the sigma-but it’s a pretty big zoom range, and it can be corrected in PS if needed.” – by Binocularmusic

My new default lens — good walkaround lens | Rating: ★★★★★
“This is currently my favorite lens. Echoing the other reviewers, the range is perfect for a walkaround lens and a perfect sub for the kit lens. Solid construction; it’s got some weight to it. Smooth focusing, and sharp images. “ – by M. Estigoy

Great lens for the $$ | Rating: ★★★★★
“My pictures got soooo much better after I started using this lens, it’s unbelievable – I can now crop many pictures that I take with this lens and have it look semi-pro. It’s got a solid build, nice zoom range, and the pictures are tack sharp. Great value and a must have! “ – by Volleyball_dad

Excelent walk around lens | Rating: ★★★★☆
“The lens is quite sharp, relatively fast, and improves if stopped down a bit. No glaring weaknesses. The Pentax 17-70 may be a better option for those with newer cameras. It is a bit more expensive, but there are some advantages. However, this lens is all I needed, and I am very happy with it. “ – by R. Marquez

Great lens for the money! | Rating: ★★★★★
“I am happy I chose it. It is a very sharp high quality lens. Fast focus, good build. Nice feel. Most important, excellent sharpness, great look, contrast. I would definately recommend this lens. “ – by Eliot Pollack

Excellent with minor flaws | Rating: ★★★★★
” Because of the high resolution of the Sony a350 (14M pixels) any focus errors readily show up, but this can’t really be blamed on the lens (the Sony 50mm sometimes misses focus also). I recently saw a discussion where focus errors were called the dirty little secret of the (various) SLR makers. Oh well, considering how fast the SLR cameras focus, I suppose it is amazing that any shots are in focus.” – by D. C. Eaton

More user opinions | Write your opinion

Features & Specifications

Sigma 17-70mm f/2.8-4.5 DC IF Macro Specifications

Designed for Canon digital SLR cameras, the Sigma 17-70mm f/2.8-4.5 macro lens performs superbly even in relatively low light conditions, such as indoors or at dusk. The lens incorporates an inner focusing system that provides a fast autofocus speed while also preventing the front of the lens from rotating. This makes it particularly suitable for use with circular polarizing filters and petal-shaped lens hoods. The lens is also equipped with a zoom lock switch that eliminates “zoom creep” during transportation. And thanks to the special low dispersion (SLD) element and two aspherical elements, the lens corrects for all types of aberrations and produces a high level of optical performance throughout the entire zoom range. Other features include a minimum focusing distance of 7.9 inches, a maximum magnification ratio of 1:2.3, and a multilayer lens coating that reduces flare and ghosting. All Sigma lenses carry a one-year warranty.

Specifications

* Focal length: 17-70mm
* Maximum aperture: f/2.8-4.5
* Lens construction: 15 elements in 12 groups
* Angle of view: 72.4 to 20.2 degrees (Sigma SD format)
* Number of diaphragm blades: 7
* Minimum aperture: f/22
* Minimum focusing distance: 7.9 inches
* Maximum magnification: 1:2.3
* Filter size: 72mm
* Corresponding AF mounts: Canon
* Dimensions: 3.1 inches in diameter and 3.2 inches long
* Weight: 16.0 ounces
* Warranty: 1 year


See also: Lens Reviews | Sigma Lenses





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1 Comment »

Comment by Vincent Tassy
2010-08-18 04:46:23

Great value lens …
This lens was a great upgrade from the kit 18-55 …
Excellent build quality and it comes with a hood !
Internal focusing makes it easy to use polarizers.
the f/2.8 aperture is very nice but one wishes it would be constant …
Sharpness is good without being excellent.
Overall, given the price of this lens, it’s excellent value for money ! A great starter lens !
I’ve now replaced it with a Canon 17-55 f/2.8 IS which has constant aperture and stabilization, but it’s a different price/sharpness category …
This sigma lens has now been updated with OS (Sigma stabilization)

 

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