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  Comparison # 2287 
  
Lens Sharpness Comparison

Minolta 28-70 2.8 vs. Sigma 50mm 2.8
Sharpness at 50mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_4550Sigma 50mm F/2.8 DG Macro  
against
Photo_4560 Minolta 28-70mm. F2.8
F2.8 1/400 100 50mm.    
  F2.8 1/320100 50mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Sigma 50mm F/2.8 DG Macro
Center
F/2.8
Brightness 111
(Almost Same)
Sigma 50mm F/2.8 DG Macro
Between Center and Left Border
F/2.8
Brightness 87
(Almost Same)
Sigma 50mm F/2.8 DG Macro
vignetting
F/2.8
Brightness 190
(Almost Same)
Minolta 28-70mm. F2.8
Center
F/2.8
Brightness 116
(Almost Same)
Minolta 28-70mm. F2.8
Between Center and Left Border
F/2.8
Brightness 93
(Almost Same)
Minolta 28-70mm. F2.8
vignetting
F/2.8
Brightness 197
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_4551Sigma 50mm F/2.8 DG Macro  
against
Photo_4561 Minolta 28-70mm. F2.8
F3.5 1/320 100 50mm.    
  F3.5 1/250100 50mm.  
100% (1:1) Crop Samples
Sigma 50mm F/2.8 DG Macro
Center
F/3.5
Brightness 102
8% Darker
Sigma 50mm F/2.8 DG Macro
Between Center and Left Border
F/3.5
Brightness 83
7% Darker
Sigma 50mm F/2.8 DG Macro
vignetting
F/3.5
Brightness 193
8% Darker
Minolta 28-70mm. F2.8
Center
F/3.5
Brightness 122
8% Brighter
Minolta 28-70mm. F2.8
Between Center and Left Border
F/3.5
Brightness 102
7% Brighter
Minolta 28-70mm. F2.8
vignetting
F/3.5
Brightness 213
8% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_4552Sigma 50mm F/2.8 DG Macro  
against
Photo_4562 Minolta 28-70mm. F2.8
F4.0 1/250 100 50mm.    
  F4.0 1/160100 50mm.  
100% (1:1) Crop Samples
Sigma 50mm F/2.8 DG Macro
Center
F/4.0
Brightness 115
(Almost Same)
Sigma 50mm F/2.8 DG Macro
Between Center and Left Border
F/4.0
Brightness 95
(Almost Same)
Sigma 50mm F/2.8 DG Macro
vignetting
F/4.0
Brightness 206
(Almost Same)
Minolta 28-70mm. F2.8
Center
F/4.0
Brightness 121
(Almost Same)
Minolta 28-70mm. F2.8
Between Center and Left Border
F/4.0
Brightness 101
(Almost Same)
Minolta 28-70mm. F2.8
vignetting
F/4.0
Brightness 214
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_4553Sigma 50mm F/2.8 DG Macro  
against
Photo_4563 Minolta 28-70mm. F2.8
F4.5 1/160 100 50mm.    
  F4.5 1/125100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 3 crops from Sigma 50mm F/2.8 DG Macro F/4.5 vs. Minolta 28-70mm. F2.8 F/4.5 for locations Center, Between Center and Left Border, vignetting
  EXIF  
 
  Comparison Photo # 5  
Photo_4554Sigma 50mm F/2.8 DG Macro  
against
Photo_4564 Minolta 28-70mm. F2.8
F5.0 1/160 100 50mm.    
  F5.0 1/125100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 3 crops from Sigma 50mm F/2.8 DG Macro F/5.0 vs. Minolta 28-70mm. F2.8 F/5.0 for locations Center, Between Center and Left Border, vignetting
  EXIF  
 
  Comparison Photo # 6  
Photo_4555Sigma 50mm F/2.8 DG Macro  
against
Photo_4565 Minolta 28-70mm. F2.8
F5.6 1/125 100 50mm.    
  F5.6 1/80100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 3 crops from Sigma 50mm F/2.8 DG Macro F/5.6 vs. Minolta 28-70mm. F2.8 F/5.6 for locations Center, Between Center and Left Border, vignetting
  EXIF  
 
  Comparison Photo # 7  
Photo_4556Sigma 50mm F/2.8 DG Macro  
against
Photo_4566 Minolta 28-70mm. F2.8
F6.3 1/80 100 50mm.    
  F6.3 1/60100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 3 crops from Sigma 50mm F/2.8 DG Macro F/6.3 vs. Minolta 28-70mm. F2.8 F/6.3 for locations Center, Between Center and Left Border, vignetting
  EXIF  
 
  Comparison Photo # 8  
Photo_4557Sigma 50mm F/2.8 DG Macro  
against
Photo_4567 Minolta 28-70mm. F2.8
F7.1 1/80 100 50mm.    
  F7.1 1/60100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 3 crops from Sigma 50mm F/2.8 DG Macro F/7.1 vs. Minolta 28-70mm. F2.8 F/7.1 for locations Center, Between Center and Left Border, vignetting
  EXIF  
 
  Comparison Photo # 9  
Photo_4558Sigma 50mm F/2.8 DG Macro  
against
Photo_4568 Minolta 28-70mm. F2.8
F8.0 1/60 100 50mm.    
  F8.0 1/40100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 3 crops from Sigma 50mm F/2.8 DG Macro F/8.0 vs. Minolta 28-70mm. F2.8 F/8.0 for locations Center, Between Center and Left Border, vignetting
  EXIF  
 
  Comparison Photo # 10  
Photo_4559Sigma 50mm F/2.8 DG Macro  
against
Photo_4569 Minolta 28-70mm. F2.8
F10.0 1/40 100 50mm.    
  F10.0 1/30100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 3 crops from Sigma 50mm F/2.8 DG Macro F/10.0 vs. Minolta 28-70mm. F2.8 F/10.0 for locations Center, Between Center and Left Border, vignetting
  EXIF  
 
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  Other Minolta 28-70mm. F2.8 vs. Sigma 50mm F/2.8 DG Macro Comparisons  
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  Other Comparisons of Minolta 28-70mm. F2.8  
Minolta 28-70 2.8 (on Full Frame Camera)
at 70mm.
Tested Apertures Between F2.8 to F13.0
Minolta 28-70 2.8 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. Minolta 28-70 2.8
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. Minolta 28-70 2.8
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. Minolta 28-70 2.8
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
Minolta 28-70 2.8 vs. Sony 16-105
Sharpness at 70mm.
Tested Apertures F2.8/F5.6, F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Minolta 28-70 2.8 vs. Minolta 28-105
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
Minolta 28-70 2.8 vs. Minolta 35-105mm.
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
Minolta 28-70 2.8 vs. Tamron 18-200
Sharpness at 70mm.
Tested Apertures F2.8/F5.6, F3.5/F5.6, 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. 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
Minolta 28-70 2.8 vs. Sony 16-50
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-70 2.8 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-70 2.8 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Sony 16-105 vs. Minolta 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
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