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  Comparison # 613 
  
Lens Sharpness Comparison

Sigma 17-70 vs. Minolta 24mm 2.8
Sharpness at 24mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_1558Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1542 Minolta 24mm F2.8
F3.2 1/60 100 24mm.    
  F2.8 1/100100 24mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/3.2
Brightness 119
11% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.2
Brightness 134
10% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/3.2
Brightness 61
7% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/3.2
Brightness 76
5% Brighter
Minolta 24mm F2.8
Focus Point
F/2.8
Brightness 92
11% Darker
Minolta 24mm F2.8
Center
F/2.8
Brightness 110
10% Darker
Minolta 24mm F2.8
Corner (Bottom Left)
F/2.8
Brightness 43
7% Darker
Minolta 24mm F2.8
Between Center and Top Left Corner
F/2.8
Brightness 63
5% Darker
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_1559Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1543 Minolta 24mm F2.8
F3.5 1/50 100 24mm.    
  F3.5 1/60100 24mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/3.5
Brightness 120
7% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.5
Brightness 131
5% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/3.5
Brightness 63
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/3.5
Brightness 77
(Almost Same)
Minolta 24mm F2.8
Focus Point
F/3.5
Brightness 103
7% Darker
Minolta 24mm F2.8
Center
F/3.5
Brightness 117
5% Darker
Minolta 24mm F2.8
Corner (Bottom Left)
F/3.5
Brightness 58
(Almost Same)
Minolta 24mm F2.8
Between Center and Top Left Corner
F/3.5
Brightness 74
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_1560Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1544 Minolta 24mm F2.8
F4.0 1/40 100 24mm.    
  F4.0 1/50100 24mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.0
Brightness 121
6% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 132
6% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Bottom Left)
F/4.0
Brightness 66
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Left Corner
F/4.0
Brightness 81
(Almost Same)
Minolta 24mm F2.8
Focus Point
F/4.0
Brightness 105
6% Darker
Minolta 24mm F2.8
Center
F/4.0
Brightness 118
6% Darker
Minolta 24mm F2.8
Corner (Bottom Left)
F/4.0
Brightness 61
(Almost Same)
Minolta 24mm F2.8
Between Center and Top Left Corner
F/4.0
Brightness 75
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_1561Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1545 Minolta 24mm F2.8
F4.5 1/30 100 24mm.    
  F4.5 1/40100 24mm.  
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 24mm F2.8 F/4.5 for locations Focus Point, Center, Corner (Bottom Left), Between Center and Top Left Corner
  EXIF  
 
  Comparison Photo # 5  
Photo_1562Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1546 Minolta 24mm F2.8
F5.0 1/25 100 24mm.    
  F5.0 1/30100 24mm.  
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 24mm F2.8 F/5.0 for locations Focus Point, Center, Corner (Bottom Left), Between Center and Top Left Corner
  EXIF  
 
  Comparison Photo # 6  
Photo_1563Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1547 Minolta 24mm F2.8
F5.6 1/20 100 24mm.    
  F5.6 1/25100 24mm.  
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 24mm F2.8 F/5.6 for locations Focus Point, Center, Corner (Bottom Left), Between Center and Top Left Corner
  EXIF  
 
  Comparison Photo # 7  
Photo_1564Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1548 Minolta 24mm F2.8
F6.3 1/13 100 24mm.    
  F6.3 1/20100 24mm.  
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 24mm F2.8 F/6.3 for locations Focus Point, Center, Corner (Bottom Left), Between Center and Top Left Corner
  EXIF  
 
  Comparison Photo # 8  
Photo_1565Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1549 Minolta 24mm F2.8
F7.1 1/10 100 24mm.    
  F7.1 1/15100 24mm.  
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 24mm F2.8 F/7.1 for locations Focus Point, Center, Corner (Bottom Left), Between Center and Top Left Corner
  EXIF  
 
  Comparison Photo # 9  
Photo_1566Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_1550 Minolta 24mm F2.8
F8.0 1/8 100 24mm.    
  F8.0 1/13100 24mm.  
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 24mm F2.8 F/8.0 for locations Focus Point, Center, Corner (Bottom Left), Between Center and Top Left Corner
  EXIF  
 
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  Other Sigma 17-70 F/2.8-4 DS Macro HSM vs. Minolta 24mm F2.8 Comparisons  
Minolta 24mm 2.8 vs. Sigma 17-70
Sharpness at 24mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F8/F11
  Other Comparisons of Sigma 17-70 F/2.8-4 DS Macro HSM  
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Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
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Sharpness at 70mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
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Sharpness at 70mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
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Tested Apertures 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
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Sharpness at 70mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
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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
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Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
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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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Sharpness at 28mm.
Tested Apertures F3.2/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Sigma 17-70 vs. Minolta 35-105mm.
Sharpness at 35mm.
Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
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