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  Comparison # 320 
  
Lens Sharpness Comparison

Sigma 17-70 vs. Carl Zeiss 24-70
Sharpness at 60mm.
Tested Apertures F2.8/F4, F4, F6.3
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_700Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_698 Carl Zeiss 24-70 F2.8 ZA SSM
F4.0 1/320 100 60mm.    
  F2.8 1/640100 60mm.  
Photo by Sinan Ozturk 
Lens by Engin Ozogul 		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 148
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 104
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 104
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.0
Brightness 131
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 151
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/2.8
Brightness 144
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/2.8
Brightness 98
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Top Right)
F/2.8
Brightness 116
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Between Center and Top Right Corner
F/2.8
Brightness 122
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Around Center
F/2.8
Brightness 148
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_700Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_699 Carl Zeiss 24-70 F2.8 ZA SSM
F4.0 1/320 100 60mm.    
  F4.0 1/320100 60mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.0
Brightness 148
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 104
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 104
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.0
Brightness 131
6% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 151
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/4.0
Brightness 141
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/4.0
Brightness 96
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Top Right)
F/4.0
Brightness 116
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Between Center and Top Right Corner
F/4.0
Brightness 116
6% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Around Center
F/4.0
Brightness 143
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_703Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_701 Carl Zeiss 24-70 F2.8 ZA SSM
F6.3 1/125 100 60mm.    
  F6.3 1/125100 60mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/6.3
Brightness 165
8% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/6.3
Brightness 112
5% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/6.3
Brightness 132
6% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/6.3
Brightness 142
10% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/6.3
Brightness 163
7% Brighter
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/6.3
Brightness 145
8% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/6.3
Brightness 99
5% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Top Right)
F/6.3
Brightness 117
6% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Between Center and Top Right Corner
F/6.3
Brightness 118
10% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Around Center
F/6.3
Brightness 145
7% Darker
Display crops in Black & White
  EXIF  
 
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Sharpness at 60mm.
Tested Apertures F2.8/F5, F4/F5, F6.3
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Sharpness at 60mm.
Tested Apertures F4/F5, F4.5/F5, F6.3
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Tested Apertures F5/F5.6, F6.3
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Sharpness at 60mm.
Tested Apertures F5, F6.3
  

 

  Other Sigma 17-70 F/2.8-4 DS Macro HSM vs. Carl Zeiss 24-70 F2.8 ZA SSM Comparisons  
Carl Zeiss 24-70 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F5, F9, F16
Sigma 17-70 vs. Carl Zeiss 24-70
Sharpness at 24mm.
Tested Apertures F2.8/F3.2, F4.5, F6.3, F11
  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
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
  Other Comparisons of Carl Zeiss 24-70 F2.8 ZA SSM  
Carl Zeiss 24-70 vs. Minolta 35-105mm.
Sharpness at 60mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10, F13, F16
Minolta 28-70 2.8 vs. Carl Zeiss 24-70
Sharpness at 60mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10, F13, F16
Minolta 28-70 2.8 vs. Carl Zeiss 24-70
Sharpness at 50mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10, F13, F16
Minolta 50mm. 2.8 vs. Carl Zeiss 24-70
Sharpness at 50mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10, F13, F16
Minolta 35-105mm. vs. Carl Zeiss 24-70
Sharpness at 50mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10, F13, F16
Carl Zeiss 24-70 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, F10, F13, F16
Minolta 35-105mm. vs. Carl Zeiss 24-70
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, F10, F13, F16
Carl Zeiss 24-70 vs. Minolta 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F10, F13, F16
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