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  Comparison # 128 
 
Lens Sharpness Comparison

Sigma 10-20 F4-5.6 vs. Tokina 11-16

Sharpness at 16mm.
Tested Apertures F2.8/F5, F5.6, F11
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_315Sigma 10-20mm. F/4-5.6  
against
Photo_306 Tokina 11-16mm f2.8
F5.0 1/640 100 16mm.    
  F2.8 1/2500100 16mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Sigma 10-20mm. F/4-5.6
Border (Top)
F/5.0
Brightness 158
(Almost Same)
Sigma 10-20mm. F/4-5.6
Focus Point
F/5.0
Brightness 108
(Almost Same)
Sigma 10-20mm. F/4-5.6
Center
F/5.0
Brightness 143
9% Brighter
Sigma 10-20mm. F/4-5.6
Corner (Bottom Right)
F/5.0
Brightness 127
(Almost Same)
Tokina 11-16mm f2.8
Border (Top)
F/2.8
Brightness 150
(Almost Same)
Tokina 11-16mm f2.8
Focus Point
F/2.8
Brightness 98
(Almost Same)
Tokina 11-16mm f2.8
Center
F/2.8
Brightness 120
9% Darker
Tokina 11-16mm f2.8
Corner (Bottom Right)
F/2.8
Brightness 132
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_316Sigma 10-20mm. F/4-5.6  
against
Photo_307 Tokina 11-16mm f2.8
F5.6 1/640 100 16mm.    
  F5.6 1/640100 16mm.  
100% (1:1) Crop Samples
Sigma 10-20mm. F/4-5.6
Border (Top)
F/5.6
Brightness 167
5% Darker
Sigma 10-20mm. F/4-5.6
Focus Point
F/5.6
Brightness 118
6% Darker
Sigma 10-20mm. F/4-5.6
Center
F/5.6
Brightness 154
(Almost Same)
Sigma 10-20mm. F/4-5.6
Corner (Bottom Right)
F/5.6
Brightness 140
18% Darker
Tokina 11-16mm f2.8
Border (Top)
F/5.6
Brightness 179
5% Brighter
Tokina 11-16mm f2.8
Focus Point
F/5.6
Brightness 132
6% Brighter
Tokina 11-16mm f2.8
Center
F/5.6
Brightness 156
(Almost Same)
Tokina 11-16mm f2.8
Corner (Bottom Right)
F/5.6
Brightness 186
18% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_317Sigma 10-20mm. F/4-5.6  
against
Photo_309 Tokina 11-16mm f2.8
F11.0 1/160 100 16mm.    
  F11.0 1/160100 16mm.  
100% (1:1) Crop Samples
Sigma 10-20mm. F/4-5.6
Border (Top)
F/11.0
Brightness 186
(Almost Same)
Sigma 10-20mm. F/4-5.6
Focus Point
F/11.0
Brightness 136
(Almost Same)
Sigma 10-20mm. F/4-5.6
Center
F/11.0
Brightness 166
(Exactly Same)
Sigma 10-20mm. F/4-5.6
Corner (Bottom Right)
F/11.0
Brightness 173
8% Darker
Tokina 11-16mm f2.8
Border (Top)
F/11.0
Brightness 187
(Almost Same)
Tokina 11-16mm f2.8
Focus Point
F/11.0
Brightness 141
(Almost Same)
Tokina 11-16mm f2.8
Center
F/11.0
Brightness 166
(Exactly Same)
Tokina 11-16mm f2.8
Corner (Bottom Right)
F/11.0
Brightness 195
8% Brighter
Display crops in Black & White
  EXIF  
 
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  Other Sigma 10-20mm. F/4-5.6 vs. Tokina 11-16mm f2.8 Comparisons  
Sigma 10-20 F4-5.6 vs. Tokina 11-16
at 16mm.
F2.8 and F8
Sigma 10-20 F4-5.6 vs. Tokina 11-16
Sharpness at 11mm.
Tested Apertures F2.8/F4.5, F5.6, F9, F9/F11
Tokina 11-16 vs. Sigma 10-20 F4-5.6
Sharpness at 11mm.
Tested Apertures F2.8/F4.5, F5.6, F11, F11
Sigma 10-20 F4-5.6 vs. Tokina 11-16
Sharpness at 16mm.
Tested Apertures F2.8/F5, F5.6, F8, F16
Sigma 10-20 F4-5.6 vs. Tokina 11-16
Sharpness at 16mm.
Tested Apertures F2.8/F5, F3.5/F5, F5.6, F8, F11
Sigma 10-20 F4-5.6 vs. Tokina 11-16
at 11mm.
Their widest focal lengths at F8
Tokina 11-16 vs. Sigma 10-20 F4-5.6
at 10-20mm.
How wide & narrow can Tokina 11-16 and Sigma 10-20 can go
Sigma 10-20 F4-5.6 vs. Tokina 11-16
Sharpness at 16mm.
Tested Apertures F2.8/F5, F6.3, F10/F11
Tokina 11-16 vs. Sigma 10-20 F4-5.6
at 10-16mm.
Sigma 10mm vs. Tokina 11mm & Sigma 20mm vs. Tokina 16mm - Point of view comparison
Tokina 11-16 vs. Sigma 10-20 F4-5.6
Sharpness at 11mm.
Tested Apertures F2.8/F4.5, F4.5, F5.6, F6.3, F8, F16
  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 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 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 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 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 10-20 vs. Sigma 12-24
at 10-12mm.
Wide Angle Video Shot