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  Comparison # 2581 
 
Lens Sharpness Comparison

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
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_4996Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5022 Minolta 28-70mm. F2.8
F4.0 1/1000 100 55mm.    
  F2.8 1/2000100 55mm.  
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 146
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/4.0
Brightness 85
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 96
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Vignetting
F/4.0
Brightness 139
14% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/4.0
Brightness 112
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 129
(Almost Same)
Minolta 28-70mm. F2.8
Center
F/2.8
Brightness 152
(Almost Same)
Minolta 28-70mm. F2.8
Corner (Bottom Left)
F/2.8
Brightness 95
(Almost Same)
Minolta 28-70mm. F2.8
Corner (Top Right)
F/2.8
Brightness 107
(Almost Same)
Minolta 28-70mm. F2.8
Vignetting
F/2.8
Brightness 176
14% Brighter
Minolta 28-70mm. F2.8
Between Center and Top Left Corner
F/2.8
Brightness 114
(Almost Same)
Minolta 28-70mm. F2.8
Around Center
F/2.8
Brightness 135
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 2  
Photo_4996Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5023 Minolta 28-70mm. F2.8
F4.0 1/1000 100 55mm.    
  F3.5 1/1250100 55mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 146
5% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/4.0
Brightness 85
7% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 96
9% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Vignetting
F/4.0
Brightness 139
19% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/4.0
Brightness 112
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 129
(Almost Same)
Minolta 28-70mm. F2.8
Center
F/3.5
Brightness 158
5% Brighter
Minolta 28-70mm. F2.8
Corner (Bottom Left)
F/3.5
Brightness 101
7% Brighter
Minolta 28-70mm. F2.8
Corner (Top Right)
F/3.5
Brightness 119
9% Brighter
Minolta 28-70mm. F2.8
Vignetting
F/3.5
Brightness 188
19% Brighter
Minolta 28-70mm. F2.8
Between Center and Top Left Corner
F/3.5
Brightness 120
(Almost Same)
Minolta 28-70mm. F2.8
Around Center
F/3.5
Brightness 141
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 3  
Photo_4996Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5024 Minolta 28-70mm. F2.8
F4.0 1/1000 100 55mm.    
  F4.0 1/1000100 55mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 146
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/4.0
Brightness 85
6% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 96
8% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Vignetting
F/4.0
Brightness 139
18% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/4.0
Brightness 112
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 129
(Almost Same)
Minolta 28-70mm. F2.8
Center
F/4.0
Brightness 156
(Almost Same)
Minolta 28-70mm. F2.8
Corner (Bottom Left)
F/4.0
Brightness 99
6% Brighter
Minolta 28-70mm. F2.8
Corner (Top Right)
F/4.0
Brightness 117
8% Brighter
Minolta 28-70mm. F2.8
Vignetting
F/4.0
Brightness 185
18% Brighter
Minolta 28-70mm. F2.8
Between Center and Top Left Corner
F/4.0
Brightness 118
(Almost Same)
Minolta 28-70mm. F2.8
Around Center
F/4.0
Brightness 138
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 4  
Photo_4997Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5025 Minolta 28-70mm. F2.8
F4.5 1/800 100 55mm.    
  F4.5 1/640100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
  Comparison Photo # 5  
Photo_4998Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5026 Minolta 28-70mm. F2.8
F5.0 1/640 100 55mm.    
  F5.0 1/640100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
  Comparison Photo # 6  
Photo_4999Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5027 Minolta 28-70mm. F2.8
F5.6 1/500 100 55mm.    
  F5.6 1/500100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
  Comparison Photo # 7  
Photo_5000Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5028 Minolta 28-70mm. F2.8
F6.3 1/400 100 55mm.    
  F6.3 1/320100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
  Comparison Photo # 8  
Photo_5001Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5029 Minolta 28-70mm. F2.8
F7.1 1/320 100 55mm.    
  F7.1 1/320100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
  Comparison Photo # 9  
Photo_5002Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5030 Minolta 28-70mm. F2.8
F8.0 1/250 100 55mm.    
  F8.0 1/250100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
  Comparison Photo # 10  
Photo_5003Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5031 Minolta 28-70mm. F2.8
F9.0 1/200 100 55mm.    
  F9.0 1/160100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/9.0 vs. Minolta 28-70mm. F2.8 F/9.0 for locations Center, Corner (Bottom Left), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
  Comparison Photo # 11  
Photo_5004Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5032 Minolta 28-70mm. F2.8
F10.0 1/160 100 55mm.    
  F10.0 1/160100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 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), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
  Comparison Photo # 12  
Photo_5005Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_5033 Minolta 28-70mm. F2.8
F11.0 1/125 100 55mm.    
  F11.0 1/125100 55mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/11.0 vs. Minolta 28-70mm. F2.8 F/11.0 for locations Center, Corner (Bottom Left), Corner (Top Right), Vignetting, Between Center and Top Left Corner, Around Center
  EXIF  
 
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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 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 2.8 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
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