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  Comparison # 2327 
 
Lens Sharpness Comparison

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
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_4604Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4644 Tokina 28-70mm. F2.8
F3.5 1/2500 100 35mm.    
  F2.8 1/3200100 70mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.5
Brightness 145
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/3.5
Brightness 131
8% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Right Corner
F/3.5
Brightness 96
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center Bottom Left Corner
F/3.5
Brightness 70
(Almost Same)
Tokina 28-70mm. F2.8
Center
F/2.8
Brightness 152
(Almost Same)
Tokina 28-70mm. F2.8
Corner (Bottom Left)
F/2.8
Brightness 151
8% Brighter
Tokina 28-70mm. F2.8
Between Center and Bottom Right Corner
F/2.8
Brightness 103
(Almost Same)
Tokina 28-70mm. F2.8
Between Center Bottom Left Corner
F/2.8
Brightness 79
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_4604Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4645 Tokina 28-70mm. F2.8
F3.5 1/2500 100 35mm.    
  F3.5 1/2000100 70mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.5
Brightness 145
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/3.5
Brightness 131
11% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Right Corner
F/3.5
Brightness 96
5% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center Bottom Left Corner
F/3.5
Brightness 70
5% Darker
Tokina 28-70mm. F2.8
Center
F/3.5
Brightness 153
(Almost Same)
Tokina 28-70mm. F2.8
Corner (Bottom Left)
F/3.5
Brightness 158
11% Brighter
Tokina 28-70mm. F2.8
Between Center and Bottom Right Corner
F/3.5
Brightness 109
5% Brighter
Tokina 28-70mm. F2.8
Between Center Bottom Left Corner
F/3.5
Brightness 81
5% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_4605Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4646 Tokina 28-70mm. F2.8
F4.0 1/2000 100 35mm.    
  F4.0 1/1600100 70mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 133
9% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/4.0
Brightness 127
13% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Right Corner
F/4.0
Brightness 91
8% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center Bottom Left Corner
F/4.0
Brightness 65
7% Darker
Tokina 28-70mm. F2.8
Center
F/4.0
Brightness 156
9% Brighter
Tokina 28-70mm. F2.8
Corner (Bottom Left)
F/4.0
Brightness 160
13% Brighter
Tokina 28-70mm. F2.8
Between Center and Bottom Right Corner
F/4.0
Brightness 111
8% Brighter
Tokina 28-70mm. F2.8
Between Center Bottom Left Corner
F/4.0
Brightness 82
7% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_4606Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4647 Tokina 28-70mm. F2.8
F4.5 1/1250 100 35mm.    
  F4.5 1/1250100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/4.5 vs. Tokina 28-70mm. F2.8 F/4.5 for locations Center, Corner (Bottom Left), Between Center and Bottom Right Corner, Between Center Bottom Left Corner
  EXIF  
 
  Comparison Photo # 5  
Photo_4607Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4648 Tokina 28-70mm. F2.8
F5.0 1/1250 100 35mm.    
  F5.0 1/1000100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/5.0 vs. Tokina 28-70mm. F2.8 F/5.0 for locations Center, Corner (Bottom Left), Between Center and Bottom Right Corner, Between Center Bottom Left Corner
  EXIF  
 
  Comparison Photo # 6  
Photo_4608Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4649 Tokina 28-70mm. F2.8
F5.6 1/1000 100 35mm.    
  F5.6 1/800100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/5.6 vs. Tokina 28-70mm. F2.8 F/5.6 for locations Center, Corner (Bottom Left), Between Center and Bottom Right Corner, Between Center Bottom Left Corner
  EXIF  
 
  Comparison Photo # 7  
Photo_4609Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4650 Tokina 28-70mm. F2.8
F6.3 1/640 100 35mm.    
  F6.3 1/640100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 4 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 Center, Corner (Bottom Left), Between Center and Bottom Right Corner, Between Center Bottom Left Corner
  EXIF  
 
  Comparison Photo # 8  
Photo_4610Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4651 Tokina 28-70mm. F2.8
F8.0 1/500 100 35mm.    
  F8.0 1/400100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 4 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 Center, Corner (Bottom Left), Between Center and Bottom Right Corner, Between Center Bottom Left Corner
  EXIF  
 
  Comparison Photo # 9  
Photo_4611Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4652 Tokina 28-70mm. F2.8
F11.0 1/250 100 35mm.    
  F11.0 1/200100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/11.0 vs. Tokina 28-70mm. F2.8 F/11.0 for locations Center, Corner (Bottom Left), Between Center and Bottom Right Corner, Between Center Bottom Left Corner
  EXIF  
 
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Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F8, F11
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, F8, F11
Minolta 28-70 2.8 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F2.8/F5, F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F8, F11
Minolta 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, F8, F11
Minolta 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, F8, F11
Tokina 28-70 2.8 vs. Minolta 35-105mm.
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. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F11
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, F8, F11
Tokina 28-70 2.8 vs. Sony 18-55
Sharpness at 35mm.
Tested Apertures F2.8/F5, F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F8, F11
Tokina 28-70 2.8 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F8, F11
Tokina 28-70 2.8 vs. Sony 16-105
Sharpness at 35mm.
Tested Apertures F2.8/F5, F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F8, F11
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, F8, F11
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, F8, F11
Tokina 28-70 2.8 vs. Minolta 28-70 2.8
Sharpness at 35mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F11

 

  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 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 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