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Web Code: 568GET066  •  Mfr Code: OS1750DCHN
Was: $630.03 CAD
Now Only $499.99 CAD
SAVE $130.04
SIGMA OS 17-50MM EX DC F2.8 HSM NIKON is rated 4.5 out of 5 by 4.
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Product Highlights
  • Standard Zoom Lens
  • Optical Stabilization
  • Hyper-Sonic Motor
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  • Standard Zoom Lens
  • Optical Stabilization
  • Hyper-Sonic Motor
  • Filter Diameter: 77 mm
  • For use with smaller chip APS-C digital cameras only
  • Optical Stabilization allowing handheld photography even in low-light situation
  • HSM (Hyper-Sonic Motor) ensures a quiet & high-speed autofocus
  • FLD glass elements with performance equal to fluorite glass for compensate for color aberration
  • Ultra compact with overall length of just 3.6"
  • Covers a focal length from 17mm wide angle and offers a large aperture of F2.8 throughout the entire zoom range
  • Ideal for many types of photography especially portraiture and landscapes
  • Optical Stabilization, anti-shake feature, offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible
  • HSM provides fast and quiet AF
  • FLD glass elements, which have performance equal to fluorite along with two glass mold and one hybrid aspherical lens, provide excellent correction for all types of aberrations
  • Super Multi-Layer coating reduces flare and ghosting
  • Superior peripheral brightness and provides sharp, high contrast images even at the maximum apertures
  • With a minimum focusing distance of 11 inches throughout the entire zoom range and a magnification ratio of 1:5
  • When you need to stand ready for any photo opportunity you need a fast aperture so you can shoot in low existing light or at maximum range with a flash
  • Compact size and lightweight
  • Specifications:
  • Lens Construction: 17 Elements in 13 Groups
  • Angle of View: 72.4-27.9
  • Number of Diaphragm Blades: 7
  • Minimum Aperture: f22
  • Minimum Focusing Distance: 28 cm / 11 in
  • Filter Diameter: 77 mm
  • Maximum Magnifications: 1:5
  • Dimensions (Diameter x Length): 83.5x91.8 mm/3.3x3.6 in


Lens Performance

Lens Type: Digital SLR Lenses
Focal Length: 17-50mm
Maximum Aperture: f/2.8
Aperture (Max. & Min.): Max: f/2.8, Min: f/22
Camera Mount Type: Nikon F
Camera Format: APS-C
Angle of View: 72.4-27.9 degrees
Minimum Focus Distance: 0.28m
Maximum Close-Up Magnification: 0.20x
Groups/Elements: 13 Groups/17 Elements
Diaphragm Blades: 7

Lens Features

Image Stabilization: Yes
Autofocus: Yes
Tripod Collar: No


Filter Thread: 77mm
Dimensions (DxL): 3.3x3.6"
Weight: 565g

Additional Information

Warranty: 7 Year Canadian Warranty
Rated 3 out of 5 by from Mixed Feelings "Firstly, optical quality is good, and occasionally outstanding. Chromatic Aberration is very well controlled, though seemingly blue rather than the more regular green/magenta. The problems are compatibility with the D7100 and a lower hit rate than any other lens I own. The on/off switch for the optical stabilization doesn't work on the D7100... OS is always on regardless of switch position. That creates a battery drain and some weirdness for previewing images (it might also cause problems on a tripod, where typically you would turn OS off, although its too early to say for me whether this is a real life problem). The focus ring is too close to the zoom ring, and unlike many lenses, its not forgiving if you accidentally cause resistance to the zoom ring while in auto-focus mode. Overall its a nice step up from a kit lens, but the issues are a bit of a downer for me."
Date published: 2014-06-29
Rated 5 out of 5 by from great value and performance "I shoot with the D7100 and was looking for a fast mid-range zoom. I didn't want to break the bank on a Nikon or Sigma full frame 2.8 lens, so I decided to pick this one up. So far, the decision has proven to be a good one. The lens is well built, has good optics and with an f2.8 constant aperture, it works well with low light. I'm very happy with this lens and would recommend it to anyone."
Date published: 2015-05-06
Rated 5 out of 5 by from Sigma 17-50 great lens "I have a D7000 and I was using the kit lens, this lens is a huge improvement. F2.8, some great shots already. Feels sturdy and focus ring moves smoothly. only downside for me is that sigma lenses rotate in the opposite direction of Nikon lenses, not a big deal. And at this price it is a really good deal (this lens used to be more expensive)"
Date published: 2014-03-12
Rated 5 out of 5 by from Excellent Lens - Great Upgrade "The numbers from DxOMark and opinion from Thom Hogan would suggest that this is the go-to lens for Nikon cropped sensor cameras. I'm shooting with a D3200 and this lens has revealed what the camera and sensor are capable of. Images are sharp and contrasty. The ability to focus a bit closer is quite valuable in the real world when taking garden/flower photos. It means that a macro lens is not used as often. The images are sharp and the OS/VR function is very good. I've been able to hand hold pretty consistently down to 1/10 sec when shooting a bit wider open. Another reviewer mentioned an issue of hit and miss focusing. I may be seeing that every so often but I'm not sure it's not my fault. Too many of the images are spot on to make me question the lens. A highly recommended lens. Whatever idiosyncrasies the lens has are quickly worked out after shooting a few images. Weight and balance are more than acceptable on the smaller D3200 body."
Date published: 2014-09-25
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