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Lens review

Sigma 17-50 mm f/2.8 EX DC OS HSM

30 July 2010
Szymon Starczewski

2. Pictures and parameters

Pictures:
Parameters:
Manufacturer Sigma
Model 17-50 mm f/2.8 EX DC OS HSM
Lens style Universal zoom
Focal length 17 - 50 mm
Maximum aperture f/2.8
Angle of view 72.4 - 27.9 o
Closest focusing distance 0.28 m
Maximum magnification 1:5
Minimum aperture 22
Number of diaphragm blades 7
Auto focus type HSM
Lens Construction 17 elements / 13 groups
Filter diameter 77 mm
Macro No
Available mounts Nikon F
Sony A / Minolta
Sigma
Pentax K
Canon EF-S
Dimensions 83.5 x 91.8 mm
Weight 565 g
Additional information Two FLD (“F” Low Dispersion) glass elements
Two glass mold and one hybrid aspherical lens
Optical Stabilizer
Released: Feb. 2010