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  Comparison # 321 
 
Lens Sharpness Comparison

Sigma 17-70 vs. Tamron 60

Sharpness at 60mm.
Tested Apertures F2/F4, F2.8/F4, F4, F6.3
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_700Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_695 Tamron 60mm F/2 Macro
F4.0 1/320 100 60mm.    
  F2.0 1/1600100 60mm.  
Photo by Sinan Ozturk 
Lens by Engin Ozogul
Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.0
Brightness 148
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 104
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 104
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.0
Brightness 131
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 151
(Almost Same)
Tamron 60mm F/2 Macro
Focus Point
F/2.0
Brightness 143
(Almost Same)
Tamron 60mm F/2 Macro
Center
F/2.0
Brightness 109
(Almost Same)
Tamron 60mm F/2 Macro
Corner (Top Right)
F/2.0
Brightness 106
(Almost Same)
Tamron 60mm F/2 Macro
Between Center and Top Right Corner
F/2.0
Brightness 124
(Almost Same)
Tamron 60mm F/2 Macro
Around Center
F/2.0
Brightness 157
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_700Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_694 Tamron 60mm F/2 Macro
F4.0 1/320 100 60mm.    
  F2.8 1/640100 60mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.0
Brightness 148
8% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 104
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 104
12% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.0
Brightness 131
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 151
8% Darker
Tamron 60mm F/2 Macro
Focus Point
F/2.8
Brightness 168
8% Brighter
Tamron 60mm F/2 Macro
Center
F/2.8
Brightness 116
(Almost Same)
Tamron 60mm F/2 Macro
Corner (Top Right)
F/2.8
Brightness 136
12% Brighter
Tamron 60mm F/2 Macro
Between Center and Top Right Corner
F/2.8
Brightness 139
(Almost Same)
Tamron 60mm F/2 Macro
Around Center
F/2.8
Brightness 170
8% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_700Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_696 Tamron 60mm F/2 Macro
F4.0 1/320 100 60mm.    
  F4.0 1/320100 60mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.0
Brightness 148
11% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/4.0
Brightness 104
6% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/4.0
Brightness 104
17% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Between Center and Top Right Corner
F/4.0
Brightness 131
5% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 151
10% Darker
Tamron 60mm F/2 Macro
Focus Point
F/4.0
Brightness 175
11% Brighter
Tamron 60mm F/2 Macro
Center
F/4.0
Brightness 121
6% Brighter
Tamron 60mm F/2 Macro
Corner (Top Right)
F/4.0
Brightness 148
17% Brighter
Tamron 60mm F/2 Macro
Between Center and Top Right Corner
F/4.0
Brightness 144
5% Brighter
Tamron 60mm F/2 Macro
Around Center
F/4.0
Brightness 175
10% Brighter
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_703Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_697 Tamron 60mm F/2 Macro
F6.3 1/125 100 60mm.    
  F6.3 1/125100 60mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 vs. Tamron 60mm F/2 Macro F/6.3 for locations Focus Point, Center, Corner (Top Right), Between Center and Top Right Corner, Around Center
  EXIF  
 
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  Other Sigma 17-70 F/2.8-4 DS Macro HSM vs. Tamron 60mm F/2 Macro Comparisons  
Sigma 17-70 vs. Tamron 60
Sharpness at 60mm.
Tested Apertures F2/F4, F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Sigma 17-70 vs. Tamron 60
Sharpness at 60mm.
Tested Apertures F2/F4, F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8
Sigma 17-70 vs. Tamron 60
Sharpness at 60mm.
Tested Apertures F2/F4, F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Sigma 17-70 vs. Tamron 60
Sharpness at 60mm.
Tested Apertures F2/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
  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
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
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. 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