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  Comparison # 1869 
  
Lens Sharpness Comparison

Sigma 17-70 vs. Tamron 17-50
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F6.3, F8, F10
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_3693Tamron 17-50 F/2.8  
against
Photo_3701 Sigma 17-70 F/2.8-4 DS Macro HSM
F2.8 1/1000 100 28mm.    
  F3.2 1/640100 28mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Tamron 17-50 F/2.8
Center
F/2.8
Brightness 130
(Almost Same)
Tamron 17-50 F/2.8
Center
F/2.8
Brightness 146
(Almost Same)
Tamron 17-50 F/2.8
Border (Top)
F/2.8
Brightness 116
(Almost Same)
Tamron 17-50 F/2.8
Corner (Top Right)
F/2.8
Brightness 98
(Almost Same)
Tamron 17-50 F/2.8
Between Center and Top Right Corner
F/2.8
Brightness 107
(Almost Same)
Tamron 17-50 F/2.8
Between Center and Bottom Border
F/2.8
Brightness 141
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.2
Brightness 133
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.2
Brightness 150
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/3.2
Brightness 114
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/3.2
Brightness 92
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/3.2
Brightness 105
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Border
F/3.2
Brightness 143
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_3694Tamron 17-50 F/2.8  
against
Photo_3702 Sigma 17-70 F/2.8-4 DS Macro HSM
F3.5 1/500 100 28mm.    
  F3.5 1/640100 28mm.  
100% (1:1) Crop Samples
Tamron 17-50 F/2.8
Center
F/3.5
Brightness 134
(Almost Same)
Tamron 17-50 F/2.8
Center
F/3.5
Brightness 150
(Almost Same)
Tamron 17-50 F/2.8
Border (Top)
F/3.5
Brightness 121
(Almost Same)
Tamron 17-50 F/2.8
Corner (Top Right)
F/3.5
Brightness 106
6% Brighter
Tamron 17-50 F/2.8
Between Center and Top Right Corner
F/3.5
Brightness 112
(Almost Same)
Tamron 17-50 F/2.8
Between Center and Bottom Border
F/3.5
Brightness 145
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.5
Brightness 131
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/3.5
Brightness 148
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/3.5
Brightness 114
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/3.5
Brightness 93
6% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/3.5
Brightness 106
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Border
F/3.5
Brightness 143
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_3695Tamron 17-50 F/2.8  
against
Photo_3703 Sigma 17-70 F/2.8-4 DS Macro HSM
F4.0 1/400 100 28mm.    
  F4.0 1/500100 28mm.  
100% (1:1) Crop Samples
Tamron 17-50 F/2.8
Center
F/4.0
Brightness 138
(Almost Same)
Tamron 17-50 F/2.8
Center
F/4.0
Brightness 154
(Almost Same)
Tamron 17-50 F/2.8
Border (Top)
F/4.0
Brightness 124
(Almost Same)
Tamron 17-50 F/2.8
Corner (Top Right)
F/4.0
Brightness 108
5% Brighter
Tamron 17-50 F/2.8
Between Center and Top Right Corner
F/4.0
Brightness 115
(Almost Same)
Tamron 17-50 F/2.8
Between Center and Bottom Border
F/4.0
Brightness 148
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 127
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 144
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Top)
F/4.0
Brightness 115
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 95
5% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.0
Brightness 107
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Bottom Border
F/4.0
Brightness 139
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_3696Tamron 17-50 F/2.8  
against
Photo_3704 Sigma 17-70 F/2.8-4 DS Macro HSM
F4.5 1/320 100 28mm.    
  F4.5 1/320100 28mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Tamron 17-50 F/2.8 F/4.5 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/4.5 for locations Center, Center, Border (Top), Corner (Top Right), Between Center and Top Right Corner, Between Center and Bottom Border
  EXIF  
 
  Comparison Photo # 5  
Photo_3697Tamron 17-50 F/2.8  
against
Photo_3705 Sigma 17-70 F/2.8-4 DS Macro HSM
F5.0 1/250 100 28mm.    
  F5.0 1/320100 28mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Tamron 17-50 F/2.8 F/5.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/5.0 for locations Center, Center, Border (Top), Corner (Top Right), Between Center and Top Right Corner, Between Center and Bottom Border
  EXIF  
 
  Comparison Photo # 6  
Photo_3698Tamron 17-50 F/2.8  
against
Photo_3706 Sigma 17-70 F/2.8-4 DS Macro HSM
F6.3 1/160 100 28mm.    
  F6.3 1/160100 28mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Tamron 17-50 F/2.8 F/6.3 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 for locations Center, Center, Border (Top), Corner (Top Right), Between Center and Top Right Corner, Between Center and Bottom Border
  EXIF  
 
  Comparison Photo # 7  
Photo_3699Tamron 17-50 F/2.8  
against
Photo_3707 Sigma 17-70 F/2.8-4 DS Macro HSM
F8.0 1/100 100 28mm.    
  F8.0 1/125100 28mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Tamron 17-50 F/2.8 F/8.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 for locations Center, Center, Border (Top), Corner (Top Right), Between Center and Top Right Corner, Between Center and Bottom Border
  EXIF  
 
  Comparison Photo # 8  
Photo_3700Tamron 17-50 F/2.8  
against
Photo_3708 Sigma 17-70 F/2.8-4 DS Macro HSM
F10.0 1/60 100 28mm.    
  F10.0 1/80100 28mm.  
100% (1:1) Crop Samples
Login or Register to display 6 crops from Tamron 17-50 F/2.8 F/10.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/10.0 for locations Center, Center, Border (Top), Corner (Top Right), Between Center and Top Right Corner, Between Center and Bottom Border
  EXIF  
 
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Sharpness at 28mm.
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Cosina 19-35 vs. Sony 18-55
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Cosina 19-35 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
Minolta 28mm 2.8 vs. Minolta 28-70 2.8G
Sharpness at 28mm.
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Minolta 28mm 2.8 vs. Tokina 28-70 2.8
Sharpness at 28mm.
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Minolta 28mm 2.8 vs. Sony 16-105
Sharpness at 28mm.
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Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
Minolta 28mm 2.8 vs. Sony 16-50
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F6.3, F8, F10
Minolta 28mm 2.8 vs. Sony 18-55
Sharpness at 28mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F6.3, F8, F10
Minolta 28mm 2.8 vs. Tamron 17-50
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F6.3, F8, F10
Minolta 28mm 2.8 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F6.3, F8, F10
Minolta 28mm 2.8 vs. Cosina 19-35
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Minolta 28-70 2.8G
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Sony 16-105
Sharpness at 28mm.
Tested Apertures F4/F4.5, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F4, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Sony 16-50
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Sony 18-55
Sharpness at 28mm.
Tested Apertures F4/F4.5, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Tamron 17-50
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Cosina 19-35
Sharpness at 28mm.
Tested Apertures F4, F4.5, F5, F6.3, F8, F10
Sony 18-200 vs. Minolta 28mm 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10

 

  Other Sigma 17-70 F/2.8-4 DS Macro HSM vs. Tamron 17-50 F/2.8 Comparisons  
Tamron 17-50 vs. Sigma 17-70
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 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tamron 17-50 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. Tamron 17-50
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
Tamron 17-50 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
Sigma 17-70 vs. Tamron 17-50
Sharpness at 50mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Tamron 17-50 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
Sigma 17-70 vs. Tamron 17-50
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3
Sigma 17-70 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Tamron 17-50 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
Tamron 17-50 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. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tamron 17-50 vs. Sigma 17-70
Sharpness at 50mm.
Tested Apertures F2.8/F4, F4, F5, F5.6, F6.3, F8, F10
Tamron 17-50 vs. Sigma 17-70
Sharpness at 18mm.
Tested Apertures F2.8, F6.3, F8, F16
Sigma 17-70 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F3.5, F4, F5.6, F6.3, F8
Sigma 17-70 vs. Tamron 17-50
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F8
Sigma 17-70 vs. Tamron 17-50
Sharpness at 24mm.
Tested Apertures F2.8/F3.2, F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F8
Tamron 17-50 vs. Sigma 17-70
Sharpness at 24mm.
Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tamron 17-50 vs. Sigma 17-70
Sharpness at 17-18mm.
Tested Apertures F2.8, F3.5, F4.5, F5.6, F6.3
  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
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. 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. 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
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
Cosina 19-35 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-105 vs. Sigma 17-70
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
Sigma 17-70 vs. Minolta 28-105
Sharpness at 35mm.
Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F3.5, F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Sony 16-50 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
  Other Comparisons of Tamron 17-50 F/2.8  
Tamron 17-50 vs. Sony 16-50
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Tamron 17-50 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
Tamron 17-50 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
Tamron 17-50 vs. Minolta 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Tamron 17-50 vs. Sony 16-105
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
Tamron 17-50 vs. Sony 18-55
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
Tamron 17-50 vs. Cosina 19-35
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-105 vs. Tamron 17-50
Sharpness at 28mm.
Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
Tamron 17-50 vs. Minolta 35-105mm.
Sharpness at 35mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tamron 17-50 vs. Minolta 28-105
Sharpness at 35mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tamron 17-50 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F2.8, F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Cosina 19-35 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Sony 16-50 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sony 16-105 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8/F5, F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
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