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Sigma 17-50mm F2.8 EX DC OS HSM Canon versus Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon versus Canon EF-S 17-55mm f/2.8 IS USM

Scores and measurements are available only for tested lenses. For preview lenses, you can compare their specs.

Sigma 17-50mm F2.8 EX DC OS HSM Canon

DxOMark Score

Best at f=21mm & f/2.8[?]
16

Lens Metric Scores

Sharpness
[?]
8P-Mpix
Transmission
[?]
3.1TStop
Distortion
[?]
0.3%
Vignetting
[?]
-0.7EV
Chr. aberration
[?]
11µm
dxomark
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon

DxOMark Score

Best at f=17mm & f/2.8[?]
14

Lens Metric Scores

Sharpness
[?]
10P-Mpix
Transmission
[?]
3.3TStop
Distortion
[?]
0.3%
Vignetting
[?]
-0.7EV
Chr. aberration
[?]
6µm
dxomark
Canon EF-S 17-55mm f/2.8 IS USM

DxOMark Score

Best at f=35mm & f/2.8[?]
15

Lens Metric Scores

Sharpness
[?]
9P-Mpix
Transmission
[?]
3.4TStop
Distortion
[?]
0.4%
Vignetting
[?]
-1.1EV
Chr. aberration
[?]
6µm
dxomark
Sigma 17-50mm F2.8 EX DC OS HSM Canon
Announced2010-02-01 
Indicative price (USD) 669 
Aperturef/2.8  
Focal range (mm) 17 - 50  
Filter diameter (mm) 77 
Max diameter (mm) 83.5 
Mount typeCanon EF-S  
StabilizationOS  
AF MotorHSM  
Zoom typeRing  
Rotating front elementNo  
Tripod mountNo  
ColorBlack  
Full-Time manual focusNo  
Number of lenses17  
Number of groups13  
Diaphragm blades7  
Circular apertureNo  
Length (mm)91.8  
Weight (gr)565  

Certain fields may be left blank. They will be updated as soon as possible.
dxomark
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon
Announced2009-09-01 
Indicative price (USD) 649 
Aperturef/2.8  
Focal range (mm) 17 - 50  
Filter diameter (mm) 72 
Max diameter (mm) 72 
Mount typeCanon EF-S  
StabilizationVC  
AF MotorDC  
Zoom typeRing  
Rotating front elementNo  
Tripod mountNo  
ColorBlack  
Full-Time manual focusNo  
Number of lenses19  
Number of groups14  
Diaphragm blades7  
Circular apertureNo  
Length (mm)94.5  
Weight (gr)570  

Certain fields may be left blank. They will be updated as soon as possible.
dxomark
Canon EF-S 17-55mm f/2.8 IS USM
Announced2006-05-01 
Indicative price (USD) 1046 
Aperturef/2.8  
Focal range (mm) 17 - 55  
Filter diameter (mm) 77 
Max diameter (mm) 83.5 
Mount typeCanon EF-S  
StabilizationYes  
AF MotorUSM  
Zoom typeRing  
Rotating front elementNo  
Tripod mountNo  
ColorBlack  
Full-Time manual focusYes  
Number of lenses19  
Number of groups12  
Diaphragm blades7  
Circular apertureYes  
Length (mm)110.6  
Weight (gr)645  

Certain fields may be left blank. They will be updated as soon as possible.
dxomark

in P-Mpix
Focal: 17 - 21 - 35 - 50
 
Focal: 17 - 24 - 35 - 50
 
Focal: 17 - 28 - 35 - 55
Aperture: 0
 
Aperture: 0
 
Aperture: 0
Focal: 17 - 21 - 35 - 50
 
Focal: 17 - 24 - 35 - 50
 
Focal: 17 - 28 - 35 - 55

in EV

in EV
Focal: 17 - 21 - 35 - 50
 
Focal: 17 - 24 - 35 - 50
 
Focal: 17 - 28 - 35 - 55
Aperture: 2.8 - 5.6 - 8 - 11 - 22
 
Aperture: 2.8 - 4 - 5.6 - 8 - 11 - 32
 
Aperture: 2.8 - 5.6 - 8 - 11 - 22

in micrometer