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  Comparison # 2452 
 
Lens Sharpness Comparison

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
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_4785Tokina 28-70mm. F2.8  
against
Photo_4813 Sigma 17-70 F/2.8-4 DS Macro HSM
F2.8 1/2500 100 70mm.    
  F4.0 1/1000100 70mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Tokina 28-70mm. F2.8
Center
F/2.8
Brightness 145
7% Darker
Tokina 28-70mm. F2.8
Around Center
F/2.8
Brightness 105
5% Darker
Tokina 28-70mm. F2.8
Border (Top)
F/2.8
Brightness 163
7% Darker
Tokina 28-70mm. F2.8
Vignetting
F/2.8
Brightness 107
(Almost Same)
Tokina 28-70mm. F2.8
Corner (Bottom Right)
F/2.8
Brightness 72
7% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 162
7% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 117
5% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/4.0
Brightness 180
7% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Vignetting
F/4.0
Brightness 103
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Right)
F/4.0
Brightness 89
7% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_4786Tokina 28-70mm. F2.8  
against
Photo_4813 Sigma 17-70 F/2.8-4 DS Macro HSM
F3.5 1/1600 100 70mm.    
  F4.0 1/1000100 70mm.  
100% (1:1) Crop Samples
Tokina 28-70mm. F2.8
Center
F/3.5
Brightness 161
(Almost Same)
Tokina 28-70mm. F2.8
Around Center
F/3.5
Brightness 113
(Almost Same)
Tokina 28-70mm. F2.8
Border (Top)
F/3.5
Brightness 181
(Almost Same)
Tokina 28-70mm. F2.8
Vignetting
F/3.5
Brightness 130
11% Brighter
Tokina 28-70mm. F2.8
Corner (Bottom Right)
F/3.5
Brightness 85
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 162
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 117
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/4.0
Brightness 180
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Vignetting
F/4.0
Brightness 103
11% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Right)
F/4.0
Brightness 89
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_4787Tokina 28-70mm. F2.8  
against
Photo_4813 Sigma 17-70 F/2.8-4 DS Macro HSM
F4.0 1/1250 100 70mm.    
  F4.0 1/1000100 70mm.  
100% (1:1) Crop Samples
Tokina 28-70mm. F2.8
Center
F/4.0
Brightness 161
(Almost Same)
Tokina 28-70mm. F2.8
Around Center
F/4.0
Brightness 114
(Almost Same)
Tokina 28-70mm. F2.8
Border (Top)
F/4.0
Brightness 182
(Almost Same)
Tokina 28-70mm. F2.8
Vignetting
F/4.0
Brightness 136
13% Brighter
Tokina 28-70mm. F2.8
Corner (Bottom Right)
F/4.0
Brightness 86
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 162
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 117
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/4.0
Brightness 180
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Vignetting
F/4.0
Brightness 103
13% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Right)
F/4.0
Brightness 89
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_4788Tokina 28-70mm. F2.8  
against
Photo_4814 Sigma 17-70 F/2.8-4 DS Macro HSM
F4.5 1/1000 100 70mm.    
  F4.5 1/800100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Tokina 28-70mm. F2.8 F/4.5 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/4.5 for locations Center, Around Center, Border (Top), Vignetting, Corner (Bottom Right)
  EXIF  
 
  Comparison Photo # 5  
Photo_4789Tokina 28-70mm. F2.8  
against
Photo_4815 Sigma 17-70 F/2.8-4 DS Macro HSM
F5.0 1/800 100 70mm.    
  F5.0 1/640100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Tokina 28-70mm. F2.8 F/5.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/5.0 for locations Center, Around Center, Border (Top), Vignetting, Corner (Bottom Right)
  EXIF  
 
  Comparison Photo # 6  
Photo_4790Tokina 28-70mm. F2.8  
against
Photo_4816 Sigma 17-70 F/2.8-4 DS Macro HSM
F5.6 1/640 100 70mm.    
  F5.6 1/500100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Tokina 28-70mm. F2.8 F/5.6 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/5.6 for locations Center, Around Center, Border (Top), Vignetting, Corner (Bottom Right)
  EXIF  
 
  Comparison Photo # 7  
Photo_4791Tokina 28-70mm. F2.8  
against
Photo_4817 Sigma 17-70 F/2.8-4 DS Macro HSM
F6.3 1/500 100 70mm.    
  F6.3 1/400100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Tokina 28-70mm. F2.8 F/6.3 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 for locations Center, Around Center, Border (Top), Vignetting, Corner (Bottom Right)
  EXIF  
 
  Comparison Photo # 8  
Photo_4792Tokina 28-70mm. F2.8  
against
Photo_4818 Sigma 17-70 F/2.8-4 DS Macro HSM
F8.0 1/320 100 70mm.    
  F8.0 1/250100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Tokina 28-70mm. F2.8 F/8.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 for locations Center, Around Center, Border (Top), Vignetting, Corner (Bottom Right)
  EXIF  
 
  Comparison Photo # 9  
Photo_4793Tokina 28-70mm. F2.8  
against
Photo_4819 Sigma 17-70 F/2.8-4 DS Macro HSM
F10.0 1/200 100 70mm.    
  F10.0 1/160100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Tokina 28-70mm. F2.8 F/10.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/10.0 for locations Center, Around Center, Border (Top), Vignetting, Corner (Bottom Right)
  EXIF  
 
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Related Comparisons
Minolta 35-105mm. vs. Tokina 28-70 2.8
Sharpness at 70mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F8, F10
Sony 16-105 vs. Tokina 28-70 2.8
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, F8, F10
Sony 16-105 vs. Minolta 35-105mm.
Sharpness at 70mm.
Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Minolta 28-70 2.8 vs. Tokina 28-70 2.8
Sharpness at 70mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F10
Minolta 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, F8, F10
Minolta 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, F8, F10
Sigma 17-70 vs. Minolta 35-105mm.
Sharpness at 70mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F8, F10
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, F8, F10
Sigma 17-70 vs. Minolta 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
Tamron 18-200 vs. Tokina 28-70 2.8
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, F8, F10
Tamron 18-200 vs. Minolta 35-105mm.
Sharpness at 70mm.
Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Tamron 18-200 vs. Sony 16-105
Sharpness at 70mm.
Tested Apertures F5.6, F6.3, F8, F10
Tamron 18-200 vs. Minolta 28-70 2.8
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, F8, F10
Tamron 18-200 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
  

 

  Other Sigma 17-70 F/2.8-4 DS Macro HSM vs. Tokina 28-70mm. F2.8 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 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
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
  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
  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