Photo Against Photo | Lens & Camera Comparisons and extensive Reviews
 
REGISTER or Login:
Photo Against Photo  
 
       
  Comparison # 1490 
 
Lens Sharpness Comparison

Tokina 28-70 2.8 vs. Sigma 17-70

Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F4, F5.6, F6.3, F8
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_3166Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3171 Tokina 28-70mm. F2.8
F3.5 1/250 100 35mm.    
  F2.8 1/640100 70mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/3.5
Brightness 147
6% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/3.5
Brightness 91
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.5
Brightness 162
6% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/3.5
Brightness 86
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Bottom)
F/3.5
Brightness 206
7% Brighter
Tokina 28-70mm. F2.8
Focus Point
F/2.8
Brightness 132
6% Darker
Tokina 28-70mm. F2.8
Between Center and Top Left Corner
F/2.8
Brightness 84
(Almost Same)
Tokina 28-70mm. F2.8
Center
F/2.8
Brightness 149
6% Darker
Tokina 28-70mm. F2.8
Around Center
F/2.8
Brightness 78
(Almost Same)
Tokina 28-70mm. F2.8
Border (Bottom)
F/2.8
Brightness 189
7% Darker
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_3167Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3172 Tokina 28-70mm. F2.8
F4.0 1/200 100 35mm.    
  F4.0 1/320100 70mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.0
Brightness 134
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/4.0
Brightness 87
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 149
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 76
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Bottom)
F/4.0
Brightness 203
5% Brighter
Tokina 28-70mm. F2.8
Focus Point
F/4.0
Brightness 133
(Almost Same)
Tokina 28-70mm. F2.8
Between Center and Top Left Corner
F/4.0
Brightness 91
(Almost Same)
Tokina 28-70mm. F2.8
Center
F/4.0
Brightness 148
(Almost Same)
Tokina 28-70mm. F2.8
Around Center
F/4.0
Brightness 81
(Almost Same)
Tokina 28-70mm. F2.8
Border (Bottom)
F/4.0
Brightness 192
5% Darker
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_3168Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3173 Tokina 28-70mm. F2.8
F5.6 1/125 100 35mm.    
  F5.6 1/160100 70mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/5.6
Brightness 141
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/5.6
Brightness 94
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/5.6
Brightness 155
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/5.6
Brightness 82
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Bottom)
F/5.6
Brightness 196
(Almost Same)
Tokina 28-70mm. F2.8
Focus Point
F/5.6
Brightness 140
(Almost Same)
Tokina 28-70mm. F2.8
Between Center and Top Left Corner
F/5.6
Brightness 97
(Almost Same)
Tokina 28-70mm. F2.8
Center
F/5.6
Brightness 154
(Almost Same)
Tokina 28-70mm. F2.8
Around Center
F/5.6
Brightness 88
(Almost Same)
Tokina 28-70mm. F2.8
Border (Bottom)
F/5.6
Brightness 203
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_3169Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3174 Tokina 28-70mm. F2.8
F6.3 1/80 100 35mm.    
  F6.3 1/100100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 vs. Tokina 28-70mm. F2.8 F/6.3 for locations Focus Point, Between Center and Top Left Corner, Center, Around Center, Border (Bottom)
  EXIF  
 
  Comparison Photo # 5  
Photo_3170Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3175 Tokina 28-70mm. F2.8
F8.0 1/60 100 35mm.    
  F8.0 1/60100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 vs. Tokina 28-70mm. F2.8 F/8.0 for locations Focus Point, Between Center and Top Left Corner, Center, Around Center, Border (Bottom)
  EXIF  
 
Custom Comparison
You can enter 2 photo names from above to compare them side by side:
against

 

 

Related Comparisons
Sony 35mm 1.8 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F1.8/F2.8, F2.8, F4, F5.6, F6.3, F8
Sony 16-105 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8/F5, F4/F5, F5.6, F6.3, F8
Sony 16-105 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F5, F2.8/F5, F4/F5, F5.6, F6.3, F8
Tamron 18-200 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Tamron 18-200 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F4.5, F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Tamron 18-200 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5.6, F6.3, F8
Cosina 19-35 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Cosina 19-35 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F4.5, F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Cosina 19-35 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5.6, F6.3, F8
Cosina 19-35 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F4.5, F5.6, F6.3, F8
Tamron 17-50 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8, F4, F5.6, F6.3, F8
Tamron 17-50 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F2.8, F2.8, F4, F5.6, F6.3, F8
Tamron 17-50 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F2.8/F5, F4/F5, F5.6, F6.3, F8
Tamron 17-50 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Tamron 17-50 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Sony 18-200 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Sony 18-200 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F4.5, F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Sony 18-200 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5.6, F6.3, F8
Sony 18-200 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F4.5, F5.6, F6.3, F8
Sony 18-200 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F4.5, F5.6, F6.3, F8
Sony 18-200 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Sony 18-55 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8/F5, F4/F5, F5.6, F6.3, F8
Sony 18-55 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F5, F2.8/F5, F4/F5, F5.6, F6.3, F8
Sony 18-55 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F5, F5.6, F6.3, F8
Sony 18-55 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5.6, F6.3, F8
Sony 18-55 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5.6, F6.3, F8
Sony 18-55 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F5, F4/F5, F5.6, F6.3, F8
Sony 18-55 vs. Sony 18-200
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5.6, F6.3, F8
Sigma 17-70 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F4, F5.6, F6.3, F8
Sigma 17-70 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F3.5, F2.8/F3.5, F4, F5.6, F6.3, F8
Sigma 17-70 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F3.5/F5, F4/F5, F5.6, F6.3, F8
Sigma 17-70 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F5.6, F6.3, F8
Sigma 17-70 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F5.6, F6.3, F8
Sigma 17-70 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F4, F5.6, F6.3, F8
Sigma 17-70 vs. Sony 18-200
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F5.6, F6.3, F8
Sigma 17-70 vs. Sony 18-55
Sharpness at 35mm.
Tested Apertures F3.5/F5, F4/F5, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8, F4, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F2.8, F2.8, F4, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F2.8/F5, F4/F5, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8, F4, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Sony 18-200
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Sony 18-55
Sharpness at 35mm.
Tested Apertures F2.8/F5, F4/F5, F5.6, F6.3, F8
Samsung 18-55 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Samsung 18-55 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F4.5, F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Samsung 18-55 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5.6, F6.3, F8
Samsung 18-55 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F4.5, F5.6, F6.3, F8
Samsung 18-55 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F4.5, F5.6, F6.3, F8
Samsung 18-55 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Samsung 18-55 vs. Sony 18-200
Sharpness at 35mm.
Tested Apertures F4.5, F5.6, F6.3, F8
Samsung 18-55 vs. Sony 18-55
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5.6, F6.3, F8
Samsung 18-55 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F5.6, F6.3, F8
Samsung 18-55 vs. Tokina 28-70 2.8
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Sony E.16-50 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8/F5.6, F4/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F5.6, F2.8/F5.6, F4/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F5/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F4.5/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F4.5/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F5.6, F4/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Sony 18-200
Sharpness at 35mm.
Tested Apertures F4.5/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Sony 18-55
Sharpness at 35mm.
Tested Apertures F5/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F3.5/F5.6, F4/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Tokina 28-70 2.8
Sharpness at 35mm.
Tested Apertures F2.8/F5.6, F4/F5.6, F5.6, F6.3, F8
Sony E.16-50 vs. Samsung 18-55
Sharpness at 35mm.
Tested Apertures F4.5/F5.6, F5.6, F6.3, F8
  

 

  Other Tokina 28-70mm. F2.8 vs. Sigma 17-70 F/2.8-4 DS Macro HSM Comparisons  
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 60mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 55mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.2/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8, F10
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 50mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F11
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 60mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10, F13
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Tokina 28-70 2.8 vs. Sigma 17-70
Sharpness at 50mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 50mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 55mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
  Other Comparisons of Tokina 28-70mm. F2.8  
Tokina 28-70 2.8 vs. Sony 16-105
Sharpness at 70mm.
Tested Apertures F2.8/F5.6, F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Minolta 28-105
Sharpness at 70mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Minolta 35-105mm.
Sharpness at 70mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Tamron 18-200
Sharpness at 70mm.
Tested Apertures F2.8/F5.6, F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Minolta 28-70 2.8
Sharpness at 70mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Sony 16-50
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Tokina 28-70 2.8 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-70 2.8 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Sony 16-105 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
Sony 18-55 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
Cosina 19-35 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Tamron 17-50 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-105 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Tokina 28-70 2.8 vs. Minolta 35-105mm.
Sharpness at 35mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Minolta 28-105
Sharpness at 35mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F2.8, F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
  Other Comparisons of Sigma 17-70 F/2.8-4 DS Macro HSM  
Sigma 17-70 vs. Sony 16-105
Sharpness at 70mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Minolta 28-105
Sharpness at 70mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Minolta 35-105mm.
Sharpness at 70mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Tamron 18-200
Sharpness at 70mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Sony 16-50
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Sigma 17-70 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Sigma 17-70 vs. Sony 16-105
Sharpness at 28mm.
Tested Apertures F3.2/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
Sony 18-55 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F3.2/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
Cosina 19-35 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Tamron 17-50 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-105 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F3.2/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Sigma 17-70 vs. Minolta 35-105mm.
Sharpness at 35mm.
Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Minolta 28-105
Sharpness at 35mm.
Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F3.5, F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Sony 16-50 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sony 16-105 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8