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Sigma 17-50mm f/2.8 - Canon EF

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Sigma (583954) 17-50mm f/2.8 EX DC IF OS HSM Lens for Canon EOS DSLRs (EF)

Price Pledge

Price Pledge ensures we won't be beaten on price! We actively monitor the prices offered by our competitors daily and adjust our own pricing accordingly.

46317
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sigma_17-50_canon / 583954

Price Pledge

Price Pledge ensures we won't be beaten on price! We actively monitor the prices offered by our competitors daily and adjust our own pricing accordingly.


£274.17
€309.50

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Sigma (583954) 17-50mm f/2.8 EX DC IF OS HSM Lens for Canon EOS DSLRs (EF)
Sigma 17-50mm f/2.8 - Canon EF
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Product Details

Overview
Sigma (583954) 17-50mm f/2.8 EX DC IF OS HSM Lens for Canon EOS DSLRs (EF). This Sigma DC series wide angle and standard zoom lens is made exclusively for APS-C size sensors and has been designed to give optimum performance within that format, as found on most DSLR cameras. Its constant f/2.8 maximum aperture provides an equally bright image throughout the zoom range, making for easier handholding and more predictable exposures. It also has an optical image stabiliser (OS) that compensates for camera shake, giving you up to 4 more stops of slower shutter speeds in any given lighting situation.
The construction of this fine optic includes FLD glass which is equal in performance to fluorite glass. The result is a drastic reduction of both primary and secondary chromatic aberrations (false colour fringe effects). This lens also includes two glass mould and one hybrid aspherical lens to give excellent sharpness at all zoom settings.
The Sigma 17-50mm EX lens has Super Multi Layer...
Summary
Lens Format: APS-C
Focal Length: 17-50mm
Image Stabilisation: Yes
Lens Mount: Canon EF
Lens Type: Wide Zoom
Max Aperture: f/2.8
Type: Photo
Included in box
  • 17-50mm Lens
  • Case
  • Lens Hood
  • Front and rear caps

About the Sigma 17-50mm f/2.8 - Canon EF

This Sigma DC series wide angle and standard zoom lens is made exclusively for APS-C size sensors and has been designed to give optimum performance within that format, as found on most DSLR cameras. Its constant f/2.8 maximum aperture provides an equally bright image throughout the zoom range, making for easier handholding and more predictable exposures. It also has an optical image stabiliser (OS) that compensates for camera shake, giving you up to 4 more stops of slower shutter speeds in any given lighting situation.

The construction of this fine optic includes FLD glass which is equal in performance to fluorite glass. The result is a drastic reduction of both primary and secondary chromatic aberrations (false colour fringe effects). This lens also includes two glass mould and one hybrid aspherical lens to give excellent sharpness at all zoom settings.

The Sigma 17-50mm EX lens has Super Multi Layer Coating to reduce ghosting and flare and it benefits from superior peripheral brightness (very little vignetting).

Lens Construction 17 Elements in 13 Groups
Angle of View (for SD1) 79.7 - 31.7 degrees
Number of Diaphragm Blades 7 Blades (Rounded diaphragm)
Minimum Aperture F22
Minimum Focusing Distance 28cm / 11in.
Maximum Magnification 1:5.0
Filter Size Diameter 77mm
Dimensions Diameter 83.5mm x Length 91.8mm / 3.3in. x 3.6in.
Weight 565g

Large aperture standard zoom lens with a minimum focal length of 17mm, designed exclusively for digital SLR cameras and incorporating Sigma's original OS (Optical Stabilizer).

Large aperture standard zoom lens with a minimum focal length of 17mm, designed exclusively for digital SLR cameras and incorporating Sigma's original OS (Optical Stabilizer). The OS function offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. The lens has a compact construction with an overall length of 91.8mm. This compact and lightweight construction makes the lens ideal for travel photography. Two FLD ("F" Low Dispersion) glass elements, two glass mould and one hybrid aspherical lens provide excellent correction for all types of aberrations. This lens has superior peripheral brightness and provides sharp and high contrast images even at the maximum apertures. The incorporation of HSM (Hyper Sonic Motor) provides fast and quiet AF.

FLD ("F" Low Dispersion) glass elements

Two FLD ("F" Low Dispersion) glass elements, which have the performance equal to fluorite glass, compensate for colour aberration. In addition, two glass mould elements and one hybrid aspherical lens give excellent correction for field curvature and astigmatism. High definition images are ensured throughout the entire zoom range.

*FLD glass is the highest level low dispersion glass available with extremely high light transmission. This optical glass has a performance equal to fluorite glass which has a low refractive index and low dispersion compared to current optical glass. It also benefits from high anomalous dispersion. These characteristics give excellent correction for residual chromatic aberration (secondary spectrum) which cannot be corrected by ordinary optical glass and ensures high definition and high contrast images.

Sigma’s own unique OS (Optical Stabilizer) technology

The lens is equipped with Sigma's own unique OS (Optical Stabilizer) function. This system allows the photographer to use shutter speeds approximately 4 stops slower.

*Sony and Pentax mounts are not incorporated with OS function.
*For Pentax mount, if the camera body does not support HSM, auto focus will not be available.

F2.8 Large aperture throughout the entire zoom range

The large aperture provides a bright viewfinder image, helping the photographer confirm accurate focusing. It is also ideal for emphasizing the subject by creating a natural, blurred background and allowing the use of fast shutter speeds.

Covering a wide range of focal lengths from 17mm

This lens covers a wide range of focal lengths from 17mm and has an equivalent angle of view of a 25.5-75mm with a 35mm SLR camera. It is ideal for portraits, landscapes and general photography.

*The angle of view varies depending on which camera the lens is mounted on.

Compact construction

The lens has a compact construction with a diameter of 83.5mm, overall length of 91.8mm and weight of 565g. This compact and lightweight construction makes it ideal for travel photography.

Super Multi-Layer Coating

The Super Multi-Layer Coating reduces flare and ghosting as well as providing sharp and high contrast images throughout the entire zoom range.

Superior peripheral brightness

This lens has superior peripheral brightness and provides sharp and high contrast images even at the maximum apertures.

 Fast and quiet AF Hyper Sonic Motor

The lens incorporates HSM (Hyper Sonic motor), ensuring fast and quiet AF.

Close focusing capability

This lens has a minimum focusing distance of 28cm throughout the entire zoom range and a maximum magnification ratio of 1:5.

Rounded diaphragm

This lens has rounded 7 blade diaphragm which creates an attractive bokeh to the out of focus area of the image.

Inner focusing system

The inner focusing system eliminates front lens ration, making the lens particularly suitable for using the supplied petal-type hood and circular polarizing filters.

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

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