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  Comparison # 419 
 
Lens Sharpness Comparison

Sigma 10-20 F4-5.6 vs. Sigma 12-24

Sharpness at 17mm.
Tested Apertures F5/F5.6, F5.6, F6.3
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_848Sigma 10-20mm. F/4-5.6  
against
Photo_846 Sigma 12-24 F4.5-5.6 DG
F5.0 1/500 100 17mm.    
  F5.6 1/400100 17mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Sigma 10-20mm. F/4-5.6
Center
F/5.0
Brightness 115
(Almost Same)
Sigma 10-20mm. F/4-5.6
Focus Point
F/5.0
Brightness 103
(Almost Same)
Sigma 10-20mm. F/4-5.6
Corner (Top Left)
F/5.0
Brightness 166
8% Brighter
Sigma 10-20mm. F/4-5.6
Between Center and Top Right Corner
F/5.0
Brightness 186
(Almost Same)
Sigma 10-20mm. F/4-5.6
Around Center
F/5.0
Brightness 145
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Center
F/5.6
Brightness 123
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Focus Point
F/5.6
Brightness 111
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Corner (Top Left)
F/5.6
Brightness 146
8% Darker
Sigma 12-24 F4.5-5.6 DG
Between Center and Top Right Corner
F/5.6
Brightness 183
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Around Center
F/5.6
Brightness 147
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 2  
Photo_849Sigma 10-20mm. F/4-5.6  
against
Photo_846 Sigma 12-24 F4.5-5.6 DG
F5.6 1/400 100 17mm.    
  F5.6 1/400100 17mm.  
100% (1:1) Crop Samples
Sigma 10-20mm. F/4-5.6
Center
F/5.6
Brightness 120
(Almost Same)
Sigma 10-20mm. F/4-5.6
Focus Point
F/5.6
Brightness 108
(Almost Same)
Sigma 10-20mm. F/4-5.6
Corner (Top Left)
F/5.6
Brightness 169
9% Brighter
Sigma 10-20mm. F/4-5.6
Between Center and Top Right Corner
F/5.6
Brightness 190
(Almost Same)
Sigma 10-20mm. F/4-5.6
Around Center
F/5.6
Brightness 151
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Center
F/5.6
Brightness 123
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Focus Point
F/5.6
Brightness 111
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Corner (Top Left)
F/5.6
Brightness 146
9% Darker
Sigma 12-24 F4.5-5.6 DG
Between Center and Top Right Corner
F/5.6
Brightness 183
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Around Center
F/5.6
Brightness 147
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 3  
Photo_850Sigma 10-20mm. F/4-5.6  
against
Photo_847 Sigma 12-24 F4.5-5.6 DG
F6.3 1/320 100 17mm.    
  F6.3 1/250100 17mm.  
100% (1:1) Crop Samples
Sigma 10-20mm. F/4-5.6
Center
F/6.3
Brightness 119
(Almost Same)
Sigma 10-20mm. F/4-5.6
Focus Point
F/6.3
Brightness 108
5% Darker
Sigma 10-20mm. F/4-5.6
Corner (Top Left)
F/6.3
Brightness 172
5% Brighter
Sigma 10-20mm. F/4-5.6
Between Center and Top Right Corner
F/6.3
Brightness 193
(Exactly Same)
Sigma 10-20mm. F/4-5.6
Around Center
F/6.3
Brightness 153
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Center
F/6.3
Brightness 131
(Almost Same)
Sigma 12-24 F4.5-5.6 DG
Focus Point
F/6.3
Brightness 120
5% Brighter
Sigma 12-24 F4.5-5.6 DG
Corner (Top Left)
F/6.3
Brightness 157
5% Darker
Sigma 12-24 F4.5-5.6 DG
Between Center and Top Right Corner
F/6.3
Brightness 193
(Exactly Same)
Sigma 12-24 F4.5-5.6 DG
Around Center
F/6.3
Brightness 161
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
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  Other Sigma 10-20mm. F/4-5.6 vs. Sigma 12-24 F4.5-5.6 DG Comparisons  
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. Sigma 10-20 F4-5.6
Sharpness at 13mm.
Tested Apertures F5, F5.6, F8, F11, F16, F16/F22
Sigma 10-20 vs. Sigma 12-24
at 10-12mm.
Wide Angle Video Shot
  Other Comparisons of Sigma 10-20mm. F/4-5.6  
Sigma 10-20 F4-5.6 vs. Vivitar 13mm 2.8
Sharpness at 13mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F8, F11, F16, F22
Sigma 10-20 F4-5.6 vs. Vivitar 13mm 2.8
Sharpness at 13mm.
Tested Apertures F2.8/F5, F4/F5, F5.6, F8, F11, F16, F16/F22
Sigma 10-20 F4-5.6 vs. Samsung 18-55
Sharpness at 18mm.
Tested Apertures F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Sigma 10-20 F4-5.6 vs. Sony E.16-50
Sharpness at 18mm.
Tested Apertures F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Sony 18-200 vs. Sigma 10-20 F4-5.6
Sharpness at 18mm.
Tested Apertures F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Tamron 18-200 vs. Sigma 10-20 F4-5.6
Sharpness at 18mm.
Tested Apertures F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Tamron 17-50 vs. Sigma 10-20 F4-5.6
Sharpness at 18mm.
Tested Apertures F2.8/F5.6, F3.2/F5.6, F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Sony 16-105 vs. Sigma 10-20 F4-5.6
Sharpness at 18mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Sony 16-50 vs. Sigma 10-20 F4-5.6
Sharpness at 18mm.
Tested Apertures F2.8/F5.6, F3.2/F5.6, F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Sony 18-55 vs. Sigma 10-20 F4-5.6
Sharpness at 18mm.
Tested Apertures F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Sigma 10-20 F4-5.6 vs. Sony E.16-50
Sharpness at 16mm.
Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F8
Sigma 10-20 F4-5.6 vs. Sony 16-50
Sharpness at 16mm.
Tested Apertures F2.8/F5, F3.2/F5, F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F8
Sigma 10-20 F4-5.6 vs. Sony 16-105
Sharpness at 16mm.
Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F8
Sigma 10-20 F4-5.6 Sharpness Test at 20mm.
at 20mm.
Tested Apertures Between F5.6 to F13.0
Sigma 10-20 F4-5.6 Sharpness Test at 10mm.
at 10mm.
Tested Apertures Between F4.0 to F13.0
Sigma 10-20mm.F/4-5.6 Distortion Test
Distortion at 20mm.
Sigma 10-20mm.F/4-5.6 Distortion Test
Distortion at 11mm.
Sony Rx100 Mk2's Lens vs. Sigma 10-20 F4-5.6
at 18mm.
Nikon P300's Lens vs. Sigma 10-20 F4-5.6
at 16mm.
  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. 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 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 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 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
Carl Zeiss 24-70 vs. Sigma 12-24
Sharpness at 24mm.
Tested Apertures F2.8/F5.6, F5.6, F8, F16, F13/F16
Carl Zeiss 24-70 vs. Sigma 12-24
Sharpness at 24mm.
Tested Apertures F2.8/F5.6, F5.6, F8, F16, F16