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  Comparison # 157 
  
Lens Sharpness Comparison

Carl Zeiss 24-70 vs. Sigma 12-24
Sharpness at 24mm.
Tested Apertures F2.8/F5.6, F5.6, F8, F16, F13/F16
 
Comparison by Sinan Ozturk   
All photos are shot in 24 mm for both lenses.

Just in the last photo Sigma is set to 12mm to show the 12mm, 24mm point of view.             [Review by Sinan Ozturk]
  
  
  Comparison Photo # 1  
Photo_391Carl Zeiss 24-70 F2.8 ZA SSM  
against
Photo_389 Sigma 12-24 F4.5-5.6 DG
F2.8 1/3000 100 24mm.    
  F5.6 1/750100 24mm.  
Photo by Sinan Ozturk 
Equipment by Engin Ozogul 		Photo by Sinan Ozturk 
Equipment by Engin Ozogul
100% (1:1) Crop Samples
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/2.8
Brightness 92
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Left)
F/2.8
Brightness 102
7% Brighter
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/2.8
Brightness 120
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Right)
F/2.8
Brightness 68
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Focus Point
F/5.6
Brightness 91
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Corner (Bottom Left)
F/5.6
Brightness 83
7% Darker
Sigma 12-24 F4.5-5.6 DG
Center
F/5.6
Brightness 119
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Corner (Bottom Right)
F/5.6
Brightness 60
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_393Carl Zeiss 24-70 F2.8 ZA SSM  
against
Photo_389 Sigma 12-24 F4.5-5.6 DG
F5.6 1/750 100 24mm.    
  F5.6 1/750100 24mm.  
100% (1:1) Crop Samples
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/5.6
Brightness 83
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Left)
F/5.6
Brightness 94
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/5.6
Brightness 109
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Right)
F/5.6
Brightness 58
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Focus Point
F/5.6
Brightness 91
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Corner (Bottom Left)
F/5.6
Brightness 83
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Center
F/5.6
Brightness 119
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Corner (Bottom Right)
F/5.6
Brightness 60
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_394Carl Zeiss 24-70 F2.8 ZA SSM  
against
Photo_390 Sigma 12-24 F4.5-5.6 DG
F8.0 1/350 100 24mm.    
  F8.0 1/350100 24mm.  
100% (1:1) Crop Samples
Carl Zeiss 24-70 F2.8 ZA SSM
Focus Point
F/8.0
Brightness 80
5% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Left)
F/8.0
Brightness 91
(Almost Same)
Carl Zeiss 24-70 F2.8 ZA SSM
Center
F/8.0
Brightness 105
8% Darker
Carl Zeiss 24-70 F2.8 ZA SSM
Corner (Bottom Right)
F/8.0
Brightness 55
5% Darker
Sigma 12-24 F4.5-5.6 DG
Focus Point
F/8.0
Brightness 91
5% Brighter
Sigma 12-24 F4.5-5.6 DG
Corner (Bottom Left)
F/8.0
Brightness 98
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Center
F/8.0
Brightness 125
8% Brighter
Sigma 12-24 F4.5-5.6 DG
Corner (Bottom Right)
F/8.0
Brightness 69
5% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_395Carl Zeiss 24-70 F2.8 ZA SSM  
against
Photo_392 Sigma 12-24 F4.5-5.6 DG
F16.0 1/90 100 24mm.    
  F16.0 1/90100 24mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Carl Zeiss 24-70 F2.8 ZA SSM F/16.0 vs. Sigma 12-24 F4.5-5.6 DG F/16.0 for locations Focus Point, Corner (Bottom Left), Center, Corner (Bottom Right)
  EXIF  
 
  Comparison Photo # 5  
Photo_395Carl Zeiss 24-70 F2.8 ZA SSM  
against
Photo_396 Sigma 12-24 F4.5-5.6 DG
F16.0 1/90 100 24mm.    
  F13.0 1/125100 12mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Carl Zeiss 24-70 F2.8 ZA SSM F/16.0 vs. Sigma 12-24 F4.5-5.6 DG F/13.0 for locations Focus Point, , ,
  EXIF  
 
Custom Comparison
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  Other Carl Zeiss 24-70 F2.8 ZA SSM vs. Sigma 12-24 F4.5-5.6 DG Comparisons  
Carl Zeiss 24-70 vs. Sigma 12-24
Sharpness at 24mm.
Tested Apertures F2.8/F5.6, F5.6, F8, F16, F16
  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
Carl Zeiss 24-70 Sharpness Test at 70mm.
at 70mm.
Tested Apertures Between F2.8 to F13.0
Carl Zeiss 24-70 Sharpness Test at 24mm.
at 24mm.
Tested Apertures Between F2.8 to F13.0
Carl Zeiss 24-70 F2.8 ZA SSM Video Auto Focus Performance
at 24-70mm.
Auto Focus Noise (Sound), AF Speed and Focus Hunting Test (in Silent Enviroment)
Carl Zeiss 24-70 Distortion Test
Distortion at 70mm.
Carl Zeiss 24-70 Distortion Test
Distortion at 24mm.
Carl Zeiss 24-70 F2.8 Video AF Performance
at 24-70mm.
Auto Focus Speed and Noise
Carl Zeiss 24-70 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F2.8, F2.8, F5, F9, F16
Carl Zeiss 24-70 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F5, F9, F16
Carl Zeiss 24-70 vs. Sony 16-50
Sharpness at 35mm.
Tested Apertures F2.8, F5, F9, F16
Tamron 17-50 vs. Carl Zeiss 24-70
Sharpness at 35mm.
Tested Apertures F2.8, F5, F9, F16
Tamron 18-200 vs. Carl Zeiss 24-70
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F5/F6.3, F9, F16
  Other Comparisons of Sigma 12-24 F4.5-5.6 DG  
Sigma 12-24 vs. Vivitar 13mm 2.8
Sharpness at 13mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F8, F11, F16, F22
Sigma 12-24 vs. Sigma 10-20 F4-5.6
Sharpness at 13mm.
Tested Apertures F4.5, F5.6, F8, F11, F16, F22
Sigma 10-20 F4-5.6 vs. Sigma 12-24
Sharpness at 12mm.
Tested Apertures F4.5, F8, F16
Sigma 12-24 vs. Vivitar 13mm 2.8
Sharpness at 13mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F8, F11, F16, F22
Sigma 12-24 vs. Vivitar 13mm 2.8
Sharpness at 13mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F8, F11, F16, F22
Sigma 12-24 vs. Vivitar 13mm 2.8
Sharpness at 13mm.
Tested Apertures F2.8/F5, F4/F5, F5.6, F8, F11, F16, F22
Sigma 12-24 vs. Sigma 10-20 F4-5.6
Sharpness at 13mm.
Tested Apertures F5, F5.6, F8, F11, F16, F16/F22
Sigma 12-24 Sharpness Test at 24mm.
at 24mm.
Tested Apertures Between F5.6 to F13.0
Sigma 12-24 Sharpness Test at 12mm.
at 12mm.
Tested Apertures Between F4.5 to F13.0
Sigma 10-20 vs. Sigma 12-24
at 10-12mm.
Wide Angle Video Shot
Sigma 12-24 F4.5-5.6 DG Video Auto Focus Performance
at 12-24mm.
Auto Focus Noise (Sound), AF Speed and Focus Hunting Test (in Silent Enviroment)
Sigma 10-20 F4-5.6 vs. Sigma 12-24
Sharpness at 17mm.
Tested Apertures F5/F5.6, F5.6, F6.3
Sony 18-55 vs. Sigma 12-24
Sharpness at 17-18mm.
Tested Apertures F3.5/F5.6, F4.5/F5.6, F5.6, F6.3
Tamron 18-200 vs. Sigma 12-24
Sharpness at 17-18mm.
Tested Apertures F3.5/F5.6, F4.5/F5.6, F5.6, F6.3
Sony 16-50 vs. Sigma 12-24
Sharpness at 17mm.
Tested Apertures F2.8/F5.6, F4.5/F5.6, F5.6, F6.3
Sony 16-105 vs. Sigma 12-24
Sharpness at 16-17mm.
Tested Apertures F3.5/F5.6, F4.5/F5.6, F5.6, F6.3
Tamron 17-50 vs. Sigma 12-24
Sharpness at 17-18mm.
Tested Apertures F2.8/F5.6, F4.5/F5.6, F5.6, F6.3
Sigma 12-24 Distortion Test
Distortion at 12mm.
Sigma 12-24 Distortion Test
Distortion at 24mm.
Sigma 12-24 Video AF Performance
at 12-24mm.
Auto Focus Speed and Noise
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