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  Comparison # 1502 
 
Lens Sharpness Comparison

Sigma 17-70 vs. Cosina 19-35

Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F5.6, F6.3, F8
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_3149Cosina 19-35mm F3.5-F4.5  
against
Photo_3166 Sigma 17-70 F/2.8-4 DS Macro HSM
F4.5 1/200 100 35mm.    
  F3.5 1/250100 35mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Cosina 19-35mm F3.5-F4.5
Focus Point
F/4.5
Brightness 131
7% Darker
Cosina 19-35mm F3.5-F4.5
Between Center and Top Left Corner
F/4.5
Brightness 89
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Center
F/4.5
Brightness 143
8% Darker
Cosina 19-35mm F3.5-F4.5
Around Center
F/4.5
Brightness 84
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Border (Bottom)
F/4.5
Brightness 190
6% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/3.5
Brightness 147
7% 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
8% 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
6% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_3149Cosina 19-35mm F3.5-F4.5  
against
Photo_3167 Sigma 17-70 F/2.8-4 DS Macro HSM
F4.5 1/200 100 35mm.    
  F4.0 1/200100 35mm.  
100% (1:1) Crop Samples
Cosina 19-35mm F3.5-F4.5
Focus Point
F/4.5
Brightness 131
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Between Center and Top Left Corner
F/4.5
Brightness 89
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Center
F/4.5
Brightness 143
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Around Center
F/4.5
Brightness 84
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Border (Bottom)
F/4.5
Brightness 190
5% Darker
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
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_3150Cosina 19-35mm F3.5-F4.5  
against
Photo_3168 Sigma 17-70 F/2.8-4 DS Macro HSM
F5.6 1/125 100 35mm.    
  F5.6 1/125100 35mm.  
100% (1:1) Crop Samples
Cosina 19-35mm F3.5-F4.5
Focus Point
F/5.6
Brightness 162
9% Brighter
Cosina 19-35mm F3.5-F4.5
Between Center and Top Left Corner
F/5.6
Brightness 116
8% Brighter
Cosina 19-35mm F3.5-F4.5
Center
F/5.6
Brightness 174
7% Brighter
Cosina 19-35mm F3.5-F4.5
Around Center
F/5.6
Brightness 112
12% Brighter
Cosina 19-35mm F3.5-F4.5
Border (Bottom)
F/5.6
Brightness 208
5% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/5.6
Brightness 141
9% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/5.6
Brightness 94
8% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/5.6
Brightness 155
7% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/5.6
Brightness 82
12% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Bottom)
F/5.6
Brightness 196
5% Darker
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_3151Cosina 19-35mm F3.5-F4.5  
against
Photo_3169 Sigma 17-70 F/2.8-4 DS Macro HSM
F6.3 1/80 100 35mm.    
  F6.3 1/80100 35mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Cosina 19-35mm F3.5-F4.5 F/6.3 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 for locations Focus Point, Between Center and Top Left Corner, Center, Around Center, Border (Bottom)
  EXIF  
 
  Comparison Photo # 5  
Photo_3152Cosina 19-35mm F3.5-F4.5  
against
Photo_3170 Sigma 17-70 F/2.8-4 DS Macro HSM
F8.0 1/50 100 35mm.    
  F8.0 1/60100 35mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Cosina 19-35mm F3.5-F4.5 F/8.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 for locations Focus Point, Between Center and Top Left Corner, Center, Around Center, Border (Bottom)
  EXIF  
 
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Sharpness at 35mm.
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Sharpness at 35mm.
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Sharpness at 35mm.
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Sharpness at 35mm.
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Sharpness at 35mm.
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Sony E.16-50 vs. Sony 18-200
Sharpness at 35mm.
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Sony E.16-50 vs. Sony 18-55
Sharpness at 35mm.
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Sony E.16-50 vs. Sigma 17-70
Sharpness at 35mm.
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Sony E.16-50 vs. Tokina 28-70 2.8
Sharpness at 35mm.
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Tested Apertures F4.5/F5.6, F5.6, F6.3, F8
  

 

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