Sigma | Sigma 17-50mm f/2.8 EX DC OS HSM Lens
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Sigma’s 17-50mm F2.8 EX DC OS HSM large-aperture standard zoom lens covers a focal length from 17mm wide angle and offers a large aperture of F2.8 throughout the entire zoom range, making it ideal for many types of photography especially portraiture and landscapes. The OS, Sigma’s anti shake feature offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. HSM provides fast and quiet AF. Sigma’s own 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. The Super Multi-Layer coating reduces flare and ghosting. This lens boasts 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. If you need to be ready for any photographic opportunity, even low light, then this Sigma lens is perfect. Compact and light weight, it’s a necessary addition to your camera bag.

Lens Construction 17 Elements in 13 Groups
Angle of View 72.4-27.9
Number of Diaphragm Blades 7
Mininum Aperture f22
Minimum Focusing Distance 28 cm / 11 in
Filter Size (mm) 77mm
Maximum Magnifications 1:5
Dimensions
(Diameter x Length)
83.5x91.8 mm/3.3x3.6 in
Weight 565g / 19.9oz.
Corresponding Mounts
Sigma OS 
HSM
EX 
DC 
Nikon OS 
HSM
EX 
DC 
Canon OS 
HSM
EX 
DC 
Sony/Minolta  
HSM
EX 
DC 
Pentax  
HSM
EX 
DC 
OS - Optical Stabilizer Function
HSM - Hyper-Sonic Motor
EX - EX Lens
DC - DC for Digital

*Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.

* For Pentax mount, if the camera body does not support HSM, auto focus will not be available.

* OS function is not available for Sony and Pentax mounts.

*The appearance, specifications, and the like of the product may be subject to change for improvement.

ZSW1750DCHSM.tag.T1.jpg

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