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  Comparison # 498 
 
Lens Sharpness Comparison

Sigma 17-70 vs. Tokina 70-210

Sharpness at 70mm.
Tested Apertures F4, F4.5, F5, F5.6, F6.3, F7.1
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_1000Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_991 Tokina 70-210 F/4-5.6
F4.0 1/200 100 70mm.    
  F4.0 1/250100 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/4.0
Brightness 137
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 147
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/4.0
Brightness 119
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/4.0
Brightness 141
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 110
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Border
F/4.0
Brightness 138
(Almost Same)
Tokina 70-210 F/4-5.6
Focus Point
F/4.0
Brightness 138
(Almost Same)
Tokina 70-210 F/4-5.6
Center
F/4.0
Brightness 146
(Almost Same)
Tokina 70-210 F/4-5.6
Corner (Top Left)
F/4.0
Brightness 124
(Almost Same)
Tokina 70-210 F/4-5.6
Between Center and Top Left Corner
F/4.0
Brightness 143
(Almost Same)
Tokina 70-210 F/4-5.6
Around Center
F/4.0
Brightness 113
(Almost Same)
Tokina 70-210 F/4-5.6
Between Center and Bottom Border
F/4.0
Brightness 142
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_1001Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_992 Tokina 70-210 F/4-5.6
F4.5 1/160 100 70mm.    
  F4.5 1/200100 70mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.5
Brightness 144
(Exactly Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.5
Brightness 153
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/4.5
Brightness 126
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/4.5
Brightness 150
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.5
Brightness 115
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Border
F/4.5
Brightness 145
(Exactly Same)
Tokina 70-210 F/4-5.6
Focus Point
F/4.5
Brightness 144
(Exactly Same)
Tokina 70-210 F/4-5.6
Center
F/4.5
Brightness 148
(Almost Same)
Tokina 70-210 F/4-5.6
Corner (Top Left)
F/4.5
Brightness 133
(Almost Same)
Tokina 70-210 F/4-5.6
Between Center and Top Left Corner
F/4.5
Brightness 149
(Almost Same)
Tokina 70-210 F/4-5.6
Around Center
F/4.5
Brightness 114
(Almost Same)
Tokina 70-210 F/4-5.6
Between Center and Bottom Border
F/4.5
Brightness 145
(Exactly Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_1002Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_993 Tokina 70-210 F/4-5.6
F5.0 1/125 100 70mm.    
  F5.0 1/160100 70mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/5.0
Brightness 150
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/5.0
Brightness 158
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/5.0
Brightness 133
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/5.0
Brightness 156
(Exactly Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/5.0
Brightness 119
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Border
F/5.0
Brightness 150
(Almost Same)
Tokina 70-210 F/4-5.6
Focus Point
F/5.0
Brightness 151
(Almost Same)
Tokina 70-210 F/4-5.6
Center
F/5.0
Brightness 156
(Almost Same)
Tokina 70-210 F/4-5.6
Corner (Top Left)
F/5.0
Brightness 141
(Almost Same)
Tokina 70-210 F/4-5.6
Between Center and Top Left Corner
F/5.0
Brightness 156
(Exactly Same)
Tokina 70-210 F/4-5.6
Around Center
F/5.0
Brightness 120
(Almost Same)
Tokina 70-210 F/4-5.6
Between Center and Bottom Border
F/5.0
Brightness 152
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_1003Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_994 Tokina 70-210 F/4-5.6
F5.6 1/100 100 70mm.    
  F5.6 1/125100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/5.6 vs. Tokina 70-210 F/4-5.6 F/5.6 for locations Focus Point, Center, Corner (Top Left), Between Center and Top Left Corner, Around Center, Between Center and Bottom Border
  EXIF  
 
  Comparison Photo # 5  
Photo_1004Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_995 Tokina 70-210 F/4-5.6
F6.3 1/80 100 70mm.    
  F6.3 1/100100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 vs. Tokina 70-210 F/4-5.6 F/6.3 for locations Focus Point, Center, Corner (Top Left), Between Center and Top Left Corner, Around Center, Between Center and Bottom Border
  EXIF  
 
  Comparison Photo # 6  
Photo_1005Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_996 Tokina 70-210 F/4-5.6
F7.1 1/60 100 70mm.    
  F7.1 1/80100 70mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/7.1 vs. Tokina 70-210 F/4-5.6 F/7.1 for locations Focus Point, Center, Corner (Top Left), Between Center and Top Left Corner, Around Center, Between Center and Bottom Border
  EXIF  
 
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Sharpness at 70mm.
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