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  Comparison # 2129 
  
Lens Sharpness Comparison

Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 50mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_4121Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4129 Minolta 28-70mm. F2.8
F4.0 1/250 100 50mm.    
  F2.8 1/400100 50mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 140
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/4.0
Brightness 149
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 105
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Right)
F/4.0
Brightness 64
(Almost Same)
Minolta 28-70mm. F2.8
Center
F/2.8
Brightness 137
(Almost Same)
Minolta 28-70mm. F2.8
Corner (Bottom Left)
F/2.8
Brightness 146
(Almost Same)
Minolta 28-70mm. F2.8
Around Center
F/2.8
Brightness 103
(Almost Same)
Minolta 28-70mm. F2.8
Border (Right)
F/2.8
Brightness 66
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_4121Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4130 Minolta 28-70mm. F2.8
F4.0 1/250 100 50mm.    
  F3.5 1/250100 50mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 140
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/4.0
Brightness 149
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 105
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Right)
F/4.0
Brightness 64
(Almost Same)
Minolta 28-70mm. F2.8
Center
F/3.5
Brightness 134
(Almost Same)
Minolta 28-70mm. F2.8
Corner (Bottom Left)
F/3.5
Brightness 152
(Almost Same)
Minolta 28-70mm. F2.8
Around Center
F/3.5
Brightness 101
(Almost Same)
Minolta 28-70mm. F2.8
Border (Right)
F/3.5
Brightness 70
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_4121Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4131 Minolta 28-70mm. F2.8
F4.0 1/250 100 50mm.    
  F4.0 1/200100 50mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 140
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/4.0
Brightness 149
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 105
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Right)
F/4.0
Brightness 64
(Almost Same)
Minolta 28-70mm. F2.8
Center
F/4.0
Brightness 136
(Almost Same)
Minolta 28-70mm. F2.8
Corner (Bottom Left)
F/4.0
Brightness 154
(Almost Same)
Minolta 28-70mm. F2.8
Around Center
F/4.0
Brightness 103
(Almost Same)
Minolta 28-70mm. F2.8
Border (Right)
F/4.0
Brightness 71
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_4122Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4132 Minolta 28-70mm. F2.8
F4.5 1/160 100 50mm.    
  F4.5 1/160100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/4.5 vs. Minolta 28-70mm. F2.8 F/4.5 for locations Center, Corner (Bottom Left), Around Center, Border (Right)
  EXIF  
 
  Comparison Photo # 5  
Photo_4123Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4133 Minolta 28-70mm. F2.8
F5.0 1/125 100 50mm.    
  F5.0 1/125100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/5.0 vs. Minolta 28-70mm. F2.8 F/5.0 for locations Center, Corner (Bottom Left), Around Center, Border (Right)
  EXIF  
 
  Comparison Photo # 6  
Photo_4124Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4134 Minolta 28-70mm. F2.8
F5.6 1/100 100 50mm.    
  F5.6 1/100100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/5.6 vs. Minolta 28-70mm. F2.8 F/5.6 for locations Center, Corner (Bottom Left), Around Center, Border (Right)
  EXIF  
 
  Comparison Photo # 7  
Photo_4125Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4135 Minolta 28-70mm. F2.8
F6.3 1/80 100 50mm.    
  F6.3 1/80100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 vs. Minolta 28-70mm. F2.8 F/6.3 for locations Center, Corner (Bottom Left), Around Center, Border (Right)
  EXIF  
 
  Comparison Photo # 8  
Photo_4126Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4136 Minolta 28-70mm. F2.8
F7.1 1/60 100 50mm.    
  F7.1 1/60100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/7.1 vs. Minolta 28-70mm. F2.8 F/7.1 for locations Center, Corner (Bottom Left), Around Center, Border (Right)
  EXIF  
 
  Comparison Photo # 9  
Photo_4127Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4137 Minolta 28-70mm. F2.8
F8.0 1/50 100 50mm.    
  F8.0 1/50100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 vs. Minolta 28-70mm. F2.8 F/8.0 for locations Center, Corner (Bottom Left), Around Center, Border (Right)
  EXIF  
 
  Comparison Photo # 10  
Photo_4128Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_4138 Minolta 28-70mm. F2.8
F10.0 1/30 100 50mm.    
  F10.0 1/30100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/10.0 vs. Minolta 28-70mm. F2.8 F/10.0 for locations Center, Corner (Bottom Left), Around Center, Border (Right)
  EXIF  
 
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Tokina 28-70 2.8 vs. Minolta 28-70 2.8
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Sony 18-200 vs. Sigma 17-70
Sharpness at 50mm.
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Sony 18-200 vs. Sony 16-50
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Sony 18-200 vs. Tamron 17-50
Sharpness at 50mm.
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Sony 18-200 vs. Sony 16-105
Sharpness at 50mm.
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Sony 18-200 vs. Sony 18-55
Sharpness at 50mm.
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Sony 18-200 vs. Tamron 18-200
Sharpness at 50mm.
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Sony 18-200 vs. Tokina 28-70 2.8
Sharpness at 50mm.
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  Other Minolta 28-70mm. F2.8 vs. Sigma 17-70 F/2.8-4 DS Macro HSM Comparisons  
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
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, 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, F9, F10, F11
Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 60mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 55mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.2/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8, F10
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 50mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F11
Minolta 28-70 2.8 vs. Sigma 17-70
Sharpness at 50mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 60mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10, F13
Sigma 17-70 vs. Minolta 28-70 2.8
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Minolta 28-70 2.8G vs. Sigma 17-70
Sharpness at 50mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Minolta 28-70 2.8G
Sharpness at 55mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Minolta 28-70 2.8G
Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
  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
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
Sony 18-55 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
  Other Comparisons of Sigma 17-70 F/2.8-4 DS Macro HSM  
Sigma 17-70 vs. Sony 16-105
Sharpness at 70mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Minolta 28-105
Sharpness at 70mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Minolta 35-105mm.
Sharpness at 70mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Tamron 18-200
Sharpness at 70mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Tokina 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
Sigma 17-70 vs. Sony 16-50
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Sigma 17-70 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Sigma 17-70 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Sigma 17-70 vs. Sony 16-105
Sharpness at 28mm.
Tested Apertures F3.2/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
Sony 18-55 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F3.2/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
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