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Sigma 17-70mm F2.8-4 Contemporary DC Macro OS HSM Lens for Canon
|Price:||$499.00 & FREE Shipping|
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From the manufacturer
17-70mm F2.8-4 DC Macro (OS)* HSM | C
Contemporary Design, Out-Of-This-World Performance
The 17-70mm F2.8-4 DC Macro HSM OS is the first lens in the Contemporary category of Sigma’s Global Vision. The Sigma 17-70mm F2.8-4 was designed to be the ideal all-purpose lens for APS-C sized sensors. With a great focal length and macro capability, the 17-70mm F2.8-4 is also equipped with a Hyper Sonic Motor (HSM) and an Optical Stabilizer (OS) for superior image quality. The HSM ensures quiet, accurate, and fast autofocusing while the OS compensates for camera shake when shooting by hand. The construction of the 17-70mm includes new TSC material (Thermally Stable Composite), which allows for increased durability as well a reduction in size by 30% compared to conventional models. Two FLD glass elements, which have performance equal to fluorite, are incorporated with one SLD element to reduce color aberration at the highest degree. The 17-70mm F2.8-4 Macro DC HSM OS is compatible with the Sigma USB dock for an increased level of customization. The perfect all-purpose travel lens, the 17-70mm F2.8 Macro DC HSM OS is a must have for any camera bag.
Dimensions (Diameter x Length): 79mm x 82mm mm/3.1in x 3.2in
Weight: 465g / 16.4oz
USB Dock Compatibility
Sigma has developed special software (SIGMA Optimization Pro) that can update the lens firmware and adjust parameters such as focus.
Since 1961, and with the recent introduction of Sigma Global Vision, we have worked toward one single, simple goal: To hold ourselves to the highest standard of design & manufacturing of imaging products. Photography is all we do. And it’s all we’ve done. So you can rest assured that it’s something we know extensively and care deeply about. You have a vision. We’ve made it our mission.
- Compact & Lightweight
- Technology: HSM, OS, & Macro functionality
- *OS is not available for the Sony and Pentax mount
- Lens hood, lens caps are included
|Aperture Control Design||Aperture controlled by camera|
|Compatible Lens Hood Part Number||LH780-03|
|Compatible Mountings||Canon EF-S|
|Focus Type||Micro-type ultrasonic|
|Image Stabilization||4 stops claimed|
|Item Dimensions||3.11 x 3.11 x 3.23 inches|
|Item Display Weight||467 grams|
|Item Weight||1.03 pounds|
|Lens Type||Zoom lens|
|Macro Focus Range||0.22 m|
|Manufacturer Warranty Description||1-year warranty|
|Material Type||Plastic barrel, Metal mount|
|Maximum Aperture Range||F2.8 - F4.0|
|Maximum Focal Length||70 mm|
|Maximum Format Size||APS-C / DX|
|Minimum Focal Length||17 mm|
|Minimum Focal Range||17 mm|
|Number of Diaphragm Blades||7|
|Number of Elements||16|
|Number of Groups||14|
|Photo Filter Thread Size||72 mm|
|Shipping Weight||1.05 pounds|
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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Adorama Camera||Amazon.com||Amazon.com||Norman Camera & Video||Amazon.com||39 international|
|Compatible Camera Mount||Canon EF-S||Canon EF-S||Canon EF||Canon EF-S||Canon EF-S||—|
|Focus Type||Micro-type ultrasonic||Ultrasonic||Stepper motor||Auto/Manual||Ring-type ultrasonic||Auto/Manual|
|Item Dimensions||3.11 x 3.23 x 3.11 in||3.31 x 3.62 x 3.31 in||2.72 x 1.54 x 2.72 in||4.1 x 5.3 x 4.1 in||3.31 x 4.37 x 3.31 in||2.87 x 2.87 x 3.62 in|
|Item Weight||1.03 lbs||1.25 lbs||—||1.25 lbs||1.42 lbs||1.12 lbs|
|Lens Type||Zoom lens||Zoom lens||Prime lens||Wide-angle||zoom||Aspherical|
|Maximum Focal Length||70 millimeters||50 millimeters||50 millimeters||50 millimeters||55 millimeters||75 millimeters|
|Minimum Focal Length||17 millimeters||17 millimeters||50 millimeters||17 millimeters||17 millimeters||28 millimeters|
|Photo Filter Thread Size||72 millimeters||77 millimeters||49 millimeters||67 millimeters||77 millimeters||67 millimeters|
Compact & Lightweight
Top customer reviews
The Sigma 17-70 f2.8-4 DC Macro OS HSM has a longer ranger than the Canon 17-55 IS, while still offering you image stabilization, which the 24-70 f2.8 L II does NOT have! And if it did, just how much would Canon think they could charge you for it? That lens already costs as much as my first car!
In conclusion, buy this lens if you are looking for sharp optics, fast focus, and a decent amount of aperture to boot. Check out my sample photo of my wife cutting the neighbor girl's hair... I took it from my desk, hand held at 1/60, 70mm f4, indoors with only ambient light, OS on, and at ISO 6400. Its not a great composition, but you can see the excellent color rendition and clarity of this glass.
The auto focus is smooth, quiet, and accurate. although this lens still lacks full time manual override. The OS is quick and snappy, I can say I am very happy with my purchase. With the build quality update, Sigma has improved the quality of the internal glass too. Sigma is saying the QC of the new lenses is better too, time will tell.
I was drawn to this lens because I wanted a versatile lens for portrait and landscape work without the cost of the fixed 2.8 lenses. The extra 20 mm on the long end helps over the 17-50 mm offerings, and the f4 aperture is sufficient for beautiful bokeh with decent subject background separation.
This lens give me a portrait and landscape option, has fast enough auto focus to follow the kids in motion, is wide enough for an interesting perspective, has an effective OS system, beautiful color rendition, and wonderful build quality. I believe this lens is a wonderful replacement for all but the L lenses, strike a positive balance between cost and performance, and compliments the 70-200 mm fixed telephotos well.
I will update this review down the road, however if first impressions count for anything, this one deserves a second date :)
This lens is very sleek in appearance and somewhat tightly made. It operates very smooth and mounts firmly into place. The visual appearance is a subjective thing, but I find this new design by Sigma to be quite appealing. Focus is silent, quick, and overall accurate as well, though not as accurate as other zooms I have used and especially my primes.
Alternative to these compliments, I have to say, unless you photograph center based subjects at less than infinity distances where borders do not matter, you will have some challenges. As noted by both photozone.de and lenstip.com, the wide end of this lens (17-24mm) is quite soft outside the center of images, 24-35 has some softness on the borders and stopping down beyond f5.6 stops does not alleviate the issue. If you use this lens for portrait or close focusing you will never see this issue.
In fact, for portrait and close focus, images are quite pleasing and this lens has very smooth, uniformed bokeh with no coma (coma being where an image has a doubling effect - edges of objects will have 2 or more edges instead of one). Overall, images are somewhat clean, but there are CA's to deal with at, again, the wide end of this zoom.
Here is a run down of the settings and performance of the lens.
17-24mm: Very bad field curvature which yielded soft corners. Only center was okay from f5-f7
24-35mm: Some border softness, but good center sharpness f4-f7
35-50mm: sweet spot for this lens at f5-f8
50-70mm: sweet spot from f5-f8 at center, borders softened at f5 but sharpened by stopping down to f6-f8
Vignetting was pretty bad at f4 and still noticed unless stopped down to f6 stops at 17-24mm and again at 70mm.
Colors are very natural and clear.
CA was very bad for this lens in any significant contrast at 17-24, but more than tolerable at 35-70 though still not good in high contrast.
Auto focus was nice and quiet, mostly decisive except in lower light.
Construction definitely above average, but it is plastic and does not have any Weather Seals (not to be expected at this price for a zoom given its feature set). It also felt good on my cameras. Looks really nice too.
Up close shooting such as portrait or close focus/macros was nice, but a bit average even for a zoom. Most mid-range priced/quality zooms are good in the center at close focusing stopped down to f5.6 stops anyway. This lens allows you a 2/3 stop advantage being that it is equally sharp at f4 to f4.5 as opposed to f5.6 for any basic, standard zoom, so this is a bit of an advantage for the Sigma 17-70 C over Kit lenses or other standard zooms. On the other hand, the Tamron 28-75 is an extremely popular lens as is the Pentax 17-70 and 18-135 for Pentax users, and this Sigma 17-70 C does not have any advantages over those lenses in center resolution at all (copy variances aside). In fact, the Pentax 17-70 from 17-50mm and the Tamron 28-75 at f4 stops is equally sharp at the center, has very low CA's, and no Vignetting on an APSC sensor along with excellent sharpness corner to corner. Alternatively, the Sigma 17-70 C lacks at the corners quite a bit and has vignetting, CA, and distortions to deal with.
Optical performance is always what matters most. And in the case of this Sigma 17-70, the overall image rendition outside the center was mushy at 17-24mm, borders somewhat soft up to 35mm, and landscape images were somewhat mediocre throughout the zoom range. Even when at its sharpest settings, the images lacked a certain quality or clarity needed for any detailed photography where subjects were towards infinity focus. Alternatively, this lens would be good for closer focus distances, such as portrait, but be advised, because of the border performance at 17-24 or even up to 35mm, group shots might also be a challenge if subjects are near the border of the frame and your focused more than 12-15 feet.
4-stars build quality (5 stars reserved for metal lenses and weather resistance)
4-stars auto focus (less one star for some hesitance in lower light and not being one of the faster focusing lenses I have seen)
2-stars sharpness at infinity focusing/landscape photography/architectural photography
3-stars sharpness as a portrait lens/single subject center-focused photography
3-stars for how clean images are (vignetting, CA, fringing, bokeh, coma, overall clarity)
3-3.5 stars overall.
***UPDATE SEPTEMBER 2014
I purchased yet another lens to give Sigma a chance, especially with so many good reviews on this 17-70 Contemporary lens. This time, I got a good copy of the lens so far as sharpness is concerned. I find the lens performance (sharpness) to be nearly identical as shown on DXOMark. The borders at 17-35mm are very much improved with this copy and shooting wide open (f4)at 70mm is fantastically sharp at center. All above comments in my original review do stand correct, however, as CA is rough at times from 17-24mm, and quite notable at 24-35mm in the edges in high contrast. Also, there is very strong vignetting shooting wide open to 1 stop down at all positions.
I do shoot a Pentax K5iis now as opposed to a K5 and the K5iis significantly increases border performance of all my lenses and over all sharpness across the frame while reducing fringing thanks to the removal of an AA filter. So some impact is from the remarkable K5iis, but improvements are noticed in this better copy of the Sigma 17-70 C that I received this week, regardless of what camera I use.
RATING FOR MY NEW LENS - 4 STARS: my new copy of the Sigma 17-70 C is a keeper. A very solid 4 star lens indeed for this copy, though previous copies I bought were flawed. Skip the Pentax 18-135 or other 17-70 lenses, and skip any lens 500 and under in this league - get the new Sigma. As with any lens manufacturer, just hope you get a good copy of the lens as sample variation is quite random. However, after so much reading, and this new experience I have had with Sigma, it is easily seen that the new Sigma makeover of 2013 has really proven itself in the year 2014. Thank you Sigma!!!