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  Comparison # 307 
  
Lens Sharpness Comparison

Sigma 17-70 vs. Carl Zeiss 24-70
Sharpness at 24mm.
Tested Apertures F2.8/F3.2, F4.5, F6.3, F11
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_672Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_668 Carl Zeiss 24-70 F2.8 ZA SSM
F3.2 1/800 100 24mm.    
  F2.8 1/640100 24mm.  
Photo by Sinan Ozturk 
Lens by Engin Ozogul 		Photo by Sinan Ozturk 
Lens by Engin Ozogul
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/3.2
Brightness 78
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.2
Brightness 147
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/3.2
Brightness 129
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Left Border
F/3.2
Brightness 137
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Right)
F/3.2
Brightness 91
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/2.8
Brightness 79
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/2.8
Brightness 140
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Top Left)
F/2.8
Brightness 128
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Between Center and Left Border
F/2.8
Brightness 133
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Right)
F/2.8
Brightness 95
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 2  
Photo_671Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_667 Carl Zeiss 24-70 F2.8 ZA SSM
F4.5 1/400 100 24mm.    
  F4.5 1/250100 24mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.5
Brightness 85
5% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.5
Brightness 154
8% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/4.5
Brightness 139
8% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Left Border
F/4.5
Brightness 150
11% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Right)
F/4.5
Brightness 100
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/4.5
Brightness 72
5% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/4.5
Brightness 132
8% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Top Left)
F/4.5
Brightness 120
8% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Between Center and Left Border
F/4.5
Brightness 123
11% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Right)
F/4.5
Brightness 90
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 3  
Photo_674Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_670 Carl Zeiss 24-70 F2.8 ZA SSM
F6.3 1/200 100 24mm.    
  F6.3 1/125100 24mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/6.3
Brightness 83
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/6.3
Brightness 152
8% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/6.3
Brightness 141
8% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Left Border
F/6.3
Brightness 148
9% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Right)
F/6.3
Brightness 97
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/6.3
Brightness 76
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/6.3
Brightness 133
8% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Top Left)
F/6.3
Brightness 121
8% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Between Center and Left Border
F/6.3
Brightness 125
9% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Right)
F/6.3
Brightness 90
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 4  
Photo_673Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_669 Carl Zeiss 24-70 F2.8 ZA SSM
F11.0 1/60 100 24mm.    
  F11.0 1/40100 24mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/11.0 vs. Carl Zeiss 24-70 F2.8 ZA SSM F/11.0 for locations Focus Point, Center, Corner (Top Left), Between Center and Left Border, Corner (Bottom Right)
  EXIF  
 
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  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 60mm.
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  Other Comparisons of Sigma 17-70 F/2.8-4 DS Macro HSM  
Sigma 17-70 vs. Sony 16-105
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Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
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Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
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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
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Sharpness at 28mm.
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Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
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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
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Sharpness at 28mm.
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Tamron 17-50 vs. Sigma 17-70
Sharpness at 28mm.
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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
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Sharpness at 35mm.
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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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