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  Comparison # 1597 
 
Lens Sharpness Comparison

Sigma 17-70 vs. Tamron 18-200

Sharpness at 18mm.
Tested Apertures F2.8/F3.5, F6.3, F8, F16
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_3256Tamron 18-200 F3.5-6.3  
against
Photo_3268 Sigma 17-70 F/2.8-4 DS Macro HSM
F3.5 1/800 100 18mm.    
  F2.8 1/1000100 17mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Tamron 18-200 F3.5-6.3
Center
F/3.5
Brightness 117
(Almost Same)
Tamron 18-200 F3.5-6.3
Corner (Top Right)
F/3.5
Brightness 166
(Almost Same)
Tamron 18-200 F3.5-6.3
Corner Vignetting
F/3.5
Brightness 175
5% Darker
Tamron 18-200 F3.5-6.3
Border (Left)
F/3.5
Brightness 81
(Almost Same)
Tamron 18-200 F3.5-6.3
Around Center
F/3.5
Brightness 143
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/2.8
Brightness 122
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/2.8
Brightness 171
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner Vignetting
F/2.8
Brightness 189
5% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Left)
F/2.8
Brightness 87
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/2.8
Brightness 149
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 2  
Photo_3257Tamron 18-200 F3.5-6.3  
against
Photo_3269 Sigma 17-70 F/2.8-4 DS Macro HSM
F6.3 1/250 100 18mm.    
  F6.3 1/160100 17mm.  
100% (1:1) Crop Samples
Tamron 18-200 F3.5-6.3
Center
F/6.3
Brightness 132
(Almost Same)
Tamron 18-200 F3.5-6.3
Corner (Top Right)
F/6.3
Brightness 189
(Almost Same)
Tamron 18-200 F3.5-6.3
Corner Vignetting
F/6.3
Brightness 217
(Exactly Same)
Tamron 18-200 F3.5-6.3
Border (Left)
F/6.3
Brightness 101
(Almost Same)
Tamron 18-200 F3.5-6.3
Around Center
F/6.3
Brightness 157
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/6.3
Brightness 126
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/6.3
Brightness 186
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner Vignetting
F/6.3
Brightness 217
(Exactly Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Left)
F/6.3
Brightness 100
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/6.3
Brightness 153
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 3  
Photo_3258Tamron 18-200 F3.5-6.3  
against
Photo_3270 Sigma 17-70 F/2.8-4 DS Macro HSM
F8.0 1/160 100 18mm.    
  F8.0 1/100100 17mm.  
100% (1:1) Crop Samples
Tamron 18-200 F3.5-6.3
Center
F/8.0
Brightness 133
(Almost Same)
Tamron 18-200 F3.5-6.3
Corner (Top Right)
F/8.0
Brightness 190
(Almost Same)
Tamron 18-200 F3.5-6.3
Corner Vignetting
F/8.0
Brightness 218
(Exactly Same)
Tamron 18-200 F3.5-6.3
Border (Left)
F/8.0
Brightness 102
(Exactly Same)
Tamron 18-200 F3.5-6.3
Around Center
F/8.0
Brightness 159
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Center
F/8.0
Brightness 129
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Right)
F/8.0
Brightness 188
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner Vignetting
F/8.0
Brightness 218
(Exactly Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Border (Left)
F/8.0
Brightness 102
(Exactly Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/8.0
Brightness 155
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 4  
Photo_3259Tamron 18-200 F3.5-6.3  
against
Photo_3271 Sigma 17-70 F/2.8-4 DS Macro HSM
F16.0 1/40 100 18mm.    
  F16.0 1/25100 17mm.  
100% (1:1) Crop Samples
Login or Register to display 5 crops from Tamron 18-200 F3.5-6.3 F/16.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/16.0 for locations Center, Corner (Top Right), Corner Vignetting, Border (Left), Around Center
  EXIF  
 
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Tested Apertures F3.5/F4, F6.3, F8, F16
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Tested Apertures F3.5/F4, F6.3, F8, F16
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Tested Apertures F3.5/F4, F6.3, F8, F16
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Sharpness at 18mm.
Tested Apertures F2.8/F4, F6.3, F8, F16
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Tested Apertures F2.8/F4, F6.3, F8, F16
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Tested Apertures F3.5/F4, F6.3, F8, F16
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Tested Apertures F2.8/F4, F6.3, F8, F16
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Tested Apertures F2.8/F3.5, F6.3, F8, F16
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Sharpness at 18mm.
Tested Apertures F3.5, F6.3, F8, F16
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Sharpness at 18mm.
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Sharpness at 18mm.
Tested Apertures F3.5/F4, F6.3, F8, F16
  

 

  Other Sigma 17-70 F/2.8-4 DS Macro HSM vs. Tamron 18-200 F3.5-6.3 Comparisons  
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
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
Tamron 18-200 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Tamron 18-200 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Sigma 17-70 vs. Tamron 18-200
Sharpness at 60mm.
Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F10
Sigma 17-70 vs. Tamron 18-200
Sharpness at 70mm.
Tested Apertures F8
Tamron 18-200 vs. Sigma 17-70
Sharpness at 55mm.
Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Sigma 17-70 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Tamron 18-200 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Sigma 17-70 vs. Tamron 18-200
Sharpness at 50mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F6.3, F7.1, F7.1, F8, F9, F10, F11
Sigma 17-70 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F8, F11
Sigma 17-70 vs. Tamron 18-200
Sharpness at 50mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Tamron 18-200 vs. Sigma 17-70
Sharpness at 60mm.
Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F8
Sigma 17-70 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Tamron 18-200 vs. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3
Tamron 18-200 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F10, F13
Sigma 17-70 vs. Tamron 18-200
Sharpness at 35mm.
Tested Apertures F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Tamron 18-200 vs. Sigma 17-70
Sharpness at 50mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Tamron 18-200 vs. Sigma 17-70
Sharpness at 50mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
  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
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. 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
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 18-200 F3.5-6.3  
Tamron 18-200 vs. Sony 16-105
Sharpness at 70mm.
Tested Apertures F5.6, F6.3, F7.1, F8
Tamron 18-200 vs. Minolta 28-105
Sharpness at 70mm.
Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Tamron 18-200 vs. Minolta 35-105mm.
Sharpness at 70mm.
Tested Apertures F4.5/F5.6, F5/F5.6, 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. 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
Tamron 18-200 vs. Minolta 28-105
Sharpness at 105mm.
Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Tamron 18-200 vs. Minolta 35-105mm.
Sharpness at 105mm.
Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
Sony 16-105 vs. Tamron 18-200
Sharpness at 105mm.
Tested Apertures F5.6, F6.3, F7.1, F8
Tamron 18-200 vs. Sony 16-50
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Tokina 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. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Sony 16-105 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
Sony 18-55 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
Cosina 19-35 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures 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
Minolta 28-105 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1