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  Comparison # 1555 
 
Lens Sharpness Comparison

Sigma 17-70 vs. Tokina 28-70 2.8

Sharpness at 60mm.
Tested Apertures F2.8/F4, F4, F4.5, F5, F5.6, F6.3, F8, F10
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_3220Tokina 28-70mm. F2.8  
against
Photo_3228 Sigma 17-70 F/2.8-4 DS Macro HSM
F2.8 1/500 100 70mm.    
  F4.0 1/250100 60mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Tokina 28-70mm. F2.8
Center
F/2.8
Brightness 152
(Almost Same)
Tokina 28-70mm. F2.8
Corner (Top Right)
F/2.8
Brightness 134
(Almost Same)
Tokina 28-70mm. F2.8
Between Center and Top Right Corner
F/2.8
Brightness 142
(Almost Same)
Tokina 28-70mm. F2.8
Around Center
F/2.8
Brightness 151
(Almost Same)
Tokina 28-70mm. F2.8
Corner (Top Left)
F/2.8
Brightness 84
(Almost Same)
Tokina 28-70mm. F2.8
Border (Top)
F/2.8
Brightness 152
(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
Corner (Top Right)
F/4.0
Brightness 138
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.0
Brightness 143
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 152
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/4.0
Brightness 93
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/4.0
Brightness 161
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_3221Tokina 28-70mm. F2.8  
against
Photo_3228 Sigma 17-70 F/2.8-4 DS Macro HSM
F4.0 1/250 100 70mm.    
  F4.0 1/250100 60mm.  
100% (1:1) Crop Samples
Tokina 28-70mm. F2.8
Center
F/4.0
Brightness 160
5% Brighter
Tokina 28-70mm. F2.8
Corner (Top Right)
F/4.0
Brightness 158
8% Brighter
Tokina 28-70mm. F2.8
Between Center and Top Right Corner
F/4.0
Brightness 155
5% Brighter
Tokina 28-70mm. F2.8
Around Center
F/4.0
Brightness 159
(Almost Same)
Tokina 28-70mm. F2.8
Corner (Top Left)
F/4.0
Brightness 107
6% Brighter
Tokina 28-70mm. F2.8
Border (Top)
F/4.0
Brightness 169
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 149
5% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 138
8% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.0
Brightness 143
5% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 152
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/4.0
Brightness 93
6% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/4.0
Brightness 161
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_3222Tokina 28-70mm. F2.8  
against
Photo_3229 Sigma 17-70 F/2.8-4 DS Macro HSM
F4.5 1/200 100 70mm.    
  F4.5 1/200100 60mm.  
100% (1:1) Crop Samples
Tokina 28-70mm. F2.8
Center
F/4.5
Brightness 160
5% Brighter
Tokina 28-70mm. F2.8
Corner (Top Right)
F/4.5
Brightness 159
6% Brighter
Tokina 28-70mm. F2.8
Between Center and Top Right Corner
F/4.5
Brightness 156
(Almost Same)
Tokina 28-70mm. F2.8
Around Center
F/4.5
Brightness 159
(Almost Same)
Tokina 28-70mm. F2.8
Corner (Top Left)
F/4.5
Brightness 107
5% Brighter
Tokina 28-70mm. F2.8
Border (Top)
F/4.5
Brightness 169
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.5
Brightness 148
5% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.5
Brightness 142
6% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.5
Brightness 146
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.5
Brightness 149
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/4.5
Brightness 95
5% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/4.5
Brightness 163
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_3223Tokina 28-70mm. F2.8  
against
Photo_3230 Sigma 17-70 F/2.8-4 DS Macro HSM
F5.0 1/160 100 70mm.    
  F5.0 1/160100 60mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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, Corner (Top Right), Between Center and Top Right Corner, Around Center, Corner (Top Left), Border (Top)
  EXIF  
 
  Comparison Photo # 5  
Photo_3224Tokina 28-70mm. F2.8  
against
Photo_3231 Sigma 17-70 F/2.8-4 DS Macro HSM
F5.6 1/125 100 70mm.    
  F5.6 1/125100 60mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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, Corner (Top Right), Between Center and Top Right Corner, Around Center, Corner (Top Left), Border (Top)
  EXIF  
 
  Comparison Photo # 6  
Photo_3225Tokina 28-70mm. F2.8  
against
Photo_3232 Sigma 17-70 F/2.8-4 DS Macro HSM
F6.3 1/100 100 70mm.    
  F6.3 1/100100 60mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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, Corner (Top Right), Between Center and Top Right Corner, Around Center, Corner (Top Left), Border (Top)
  EXIF  
 
  Comparison Photo # 7  
Photo_3226Tokina 28-70mm. F2.8  
against
Photo_3234 Sigma 17-70 F/2.8-4 DS Macro HSM
F8.0 1/60 100 70mm.    
  F8.0 1/60100 60mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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, Corner (Top Right), Between Center and Top Right Corner, Around Center, Corner (Top Left), Border (Top)
  EXIF  
 
  Comparison Photo # 8  
Photo_3227Tokina 28-70mm. F2.8  
against
Photo_3235 Sigma 17-70 F/2.8-4 DS Macro HSM
F10.0 1/40 100 70mm.    
  F10.0 1/40100 60mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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, Corner (Top Right), Between Center and Top Right Corner, Around Center, Corner (Top Left), Border (Top)
  EXIF  
 
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Sony E 55-210 vs. Sigma 17-70
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  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 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 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