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  Comparison # 216 
 
Lens Sharpness Comparison

Sigma 50mm 2.8 vs. Sony 50mm 1.8

Sharpness at 50mm.
Tested Apertures F1.8/F2.8, F2.8, F5.6, F8
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_532Sigma 50mm F/2.8 DG Macro  
against
Photo_523 Sony 50mm F1.8 SAM DT
F2.8 1/2500 100 50mm.    
  F1.8 1/4000100 50mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
Lens by Engin Ozogul
100% (1:1) Crop Samples
Sigma 50mm F/2.8 DG Macro
Focus Point
F/2.8
Brightness 128
11% Darker
Sigma 50mm F/2.8 DG Macro
Center
F/2.8
Brightness 123
12% Darker
Sigma 50mm F/2.8 DG Macro
Around Center
F/2.8
Brightness 118
17% Darker
Sigma 50mm F/2.8 DG Macro
Border (Top)
F/2.8
Brightness 116
7% Darker
Sigma 50mm F/2.8 DG Macro
Corner (Bottom Left)
F/2.8
Brightness 61
5% Darker
Sony 50mm F1.8 SAM DT
Focus Point
F/1.8
Brightness 156
11% Brighter
Sony 50mm F1.8 SAM DT
Center
F/1.8
Brightness 153
12% Brighter
Sony 50mm F1.8 SAM DT
Around Center
F/1.8
Brightness 161
17% Brighter
Sony 50mm F1.8 SAM DT
Border (Top)
F/1.8
Brightness 133
7% Brighter
Sony 50mm F1.8 SAM DT
Corner (Bottom Left)
F/1.8
Brightness 73
5% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_532Sigma 50mm F/2.8 DG Macro  
against
Photo_524 Sony 50mm F1.8 SAM DT
F2.8 1/2500 100 50mm.    
  F2.8 1/2500100 50mm.  
100% (1:1) Crop Samples
Sigma 50mm F/2.8 DG Macro
Focus Point
F/2.8
Brightness 128
6% Darker
Sigma 50mm F/2.8 DG Macro
Center
F/2.8
Brightness 123
6% Darker
Sigma 50mm F/2.8 DG Macro
Around Center
F/2.8
Brightness 118
(Almost Same)
Sigma 50mm F/2.8 DG Macro
Border (Top)
F/2.8
Brightness 116
9% Darker
Sigma 50mm F/2.8 DG Macro
Corner (Bottom Left)
F/2.8
Brightness 61
5% Darker
Sony 50mm F1.8 SAM DT
Focus Point
F/2.8
Brightness 142
6% Brighter
Sony 50mm F1.8 SAM DT
Center
F/2.8
Brightness 138
6% Brighter
Sony 50mm F1.8 SAM DT
Around Center
F/2.8
Brightness 127
(Almost Same)
Sony 50mm F1.8 SAM DT
Border (Top)
F/2.8
Brightness 137
9% Brighter
Sony 50mm F1.8 SAM DT
Corner (Bottom Left)
F/2.8
Brightness 74
5% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_533Sigma 50mm F/2.8 DG Macro  
against
Photo_525 Sony 50mm F1.8 SAM DT
F5.6 1/800 100 50mm.    
  F5.6 1/640100 50mm.  
100% (1:1) Crop Samples
Sigma 50mm F/2.8 DG Macro
Focus Point
F/5.6
Brightness 138
(Almost Same)
Sigma 50mm F/2.8 DG Macro
Center
F/5.6
Brightness 132
(Almost Same)
Sigma 50mm F/2.8 DG Macro
Around Center
F/5.6
Brightness 127
(Almost Same)
Sigma 50mm F/2.8 DG Macro
Border (Top)
F/5.6
Brightness 135
(Almost Same)
Sigma 50mm F/2.8 DG Macro
Corner (Bottom Left)
F/5.6
Brightness 78
(Almost Same)
Sony 50mm F1.8 SAM DT
Focus Point
F/5.6
Brightness 146
(Almost Same)
Sony 50mm F1.8 SAM DT
Center
F/5.6
Brightness 142
(Almost Same)
Sony 50mm F1.8 SAM DT
Around Center
F/5.6
Brightness 133
(Almost Same)
Sony 50mm F1.8 SAM DT
Border (Top)
F/5.6
Brightness 142
(Almost Same)
Sony 50mm F1.8 SAM DT
Corner (Bottom Left)
F/5.6
Brightness 87
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_534Sigma 50mm F/2.8 DG Macro  
against
Photo_526 Sony 50mm F1.8 SAM DT
F8.0 1/400 100 50mm.    
  F8.0 1/320100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Sigma 50mm F/2.8 DG Macro F/8.0 vs. Sony 50mm F1.8 SAM DT F/8.0 for locations Focus Point, Center, Around Center, Border (Top), Corner (Bottom Left)
  EXIF  
 
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