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  Comparison # 1633 
 
Lens Sharpness Comparison

Tamron 17-50 vs. Sigma 17-70

Sharpness at 50mm.
Tested Apertures F2.8/F4, F4, F5, F5.6, F6.3, F8, F10
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_3349Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3384 Tamron 17-50 F/2.8
F4.0 1/320 100 50mm.    
  F2.8 1/640100 50mm.  
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/4.0
Brightness 202
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/4.0
Brightness 220
(Exactly Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner Vignetting
F/4.0
Brightness 235
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 80
(Almost Same)
Tamron 17-50 F/2.8
Focus Point
F/2.8
Brightness 199
(Almost Same)
Tamron 17-50 F/2.8
Corner (Top Left)
F/2.8
Brightness 220
(Exactly Same)
Tamron 17-50 F/2.8
Corner Vignetting
F/2.8
Brightness 234
(Almost Same)
Tamron 17-50 F/2.8
Around Center
F/2.8
Brightness 74
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_3349Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3385 Tamron 17-50 F/2.8
F4.0 1/320 100 50mm.    
  F4.0 1/320100 50mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/4.0
Brightness 202
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/4.0
Brightness 220
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner Vignetting
F/4.0
Brightness 235
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/4.0
Brightness 80
(Almost Same)
Tamron 17-50 F/2.8
Focus Point
F/4.0
Brightness 206
(Almost Same)
Tamron 17-50 F/2.8
Corner (Top Left)
F/4.0
Brightness 229
(Almost Same)
Tamron 17-50 F/2.8
Corner Vignetting
F/4.0
Brightness 246
(Almost Same)
Tamron 17-50 F/2.8
Around Center
F/4.0
Brightness 79
(Almost Same)
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 3  
Photo_3350Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3386 Tamron 17-50 F/2.8
F5.0 1/200 100 50mm.    
  F5.0 1/200100 50mm.  
100% (1:1) Crop Samples
Sigma 17-70 F/2.8-4 DS Macro HSM
Focus Point
F/5.0
Brightness 212
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner (Top Left)
F/5.0
Brightness 228
(Exactly Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Corner Vignetting
F/5.0
Brightness 245
(Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM
Around Center
F/5.0
Brightness 89
5% Brighter
Tamron 17-50 F/2.8
Focus Point
F/5.0
Brightness 203
(Almost Same)
Tamron 17-50 F/2.8
Corner (Top Left)
F/5.0
Brightness 228
(Exactly Same)
Tamron 17-50 F/2.8
Corner Vignetting
F/5.0
Brightness 247
(Almost Same)
Tamron 17-50 F/2.8
Around Center
F/5.0
Brightness 77
5% Darker
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 4  
Photo_3351Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3387 Tamron 17-50 F/2.8
F5.6 1/160 100 50mm.    
  F5.6 1/160100 50mm.  
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. Tamron 17-50 F/2.8 F/5.6 for locations Focus Point, Corner (Top Left), Corner Vignetting, Around Center
  EXIF  
 
  Comparison Photo # 5  
Photo_3352Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3388 Tamron 17-50 F/2.8
F6.3 1/125 100 50mm.    
  F6.3 1/125100 50mm.  
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. Tamron 17-50 F/2.8 F/6.3 for locations Focus Point, Corner (Top Left), Corner Vignetting, Around Center
  EXIF  
 
  Comparison Photo # 6  
Photo_3353Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3389 Tamron 17-50 F/2.8
F8.0 1/80 100 50mm.    
  F8.0 1/80100 50mm.  
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. Tamron 17-50 F/2.8 F/8.0 for locations Focus Point, Corner (Top Left), Corner Vignetting, Around Center
  EXIF  
 
  Comparison Photo # 7  
Photo_3354Sigma 17-70 F/2.8-4 DS Macro HSM  
against
Photo_3390 Tamron 17-50 F/2.8
F10.0 1/50 100 50mm.    
  F10.0 1/50100 50mm.  
100% (1:1) Crop Samples
Login or Register to display 4 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/10.0 vs. Tamron 17-50 F/2.8 F/10.0 for locations Focus Point, Corner (Top Left), Corner Vignetting, Around Center
  EXIF  
 
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Sharpness at 50mm.
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Sharpness at 50mm.
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Sharpness at 50mm.
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Sharpness at 50mm.
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Sony 16-50 vs. Samsung 18-55
Sharpness at 50mm.
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Sony 16-50 vs. Tamron 18-200
Sharpness at 50mm.
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Sharpness at 50mm.
Tested Apertures F2.8, F4, F5, F5.6, F6.3, F8, F10
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Sharpness at 50mm.
Tested Apertures F2.8/F4, F4, F5, F5.6, F6.3, F8, F10
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Sharpness at 50mm.
Tested Apertures F2.8, F4, F5, F5.6, F6.3, F8, F10
Sony 16-50 vs. Sony 16-105
Sharpness at 50mm.
Tested Apertures F2.8/F5, F4/F5, F5, F5.6, F6.3, F8, F10
Sony 16-50 vs. Sony 18-55
Sharpness at 50mm.
Tested Apertures F2.8/F5.6, F4/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
Sony 16-50 vs. Sony 18-200
Sharpness at 50mm.
Tested Apertures F2.8/F5, F4/F5, F5, F5.6, F6.3, F8, F10
Sony 16-50 vs. Minolta 50mm 1.4
Sharpness at 50mm.
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Sony 16-50 vs. Tamron 17-50
Sharpness at 50mm.
Tested Apertures F2.8, F4, F5, F5.6, F6.3, F8, F10
  

 

  Other Tamron 17-50 F/2.8 vs. Sigma 17-70 F/2.8-4 DS Macro HSM 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
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
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 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
Minolta 28-70 2.8 vs. Tamron 17-50
Sharpness at 35mm.
Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
Tokina 28-70 2.8 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 18-55 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
Tamron 18-200 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
Tamron 17-50 vs. Minolta 35-105mm.
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
  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
Sony 16-105 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
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
Tokina 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
Sony 18-55 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 35mm.
Tested Apertures F3.5/F4.5, 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, F9, F10, F11
Sony 55-300 vs. Sigma 17-70
Sharpness at 70mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Sony 16-105 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, F9, F10, F11
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
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
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, F9, F10, F11
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 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. Sony 16-105
Sharpness at 60mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F10
Sigma 17-70 vs. Minolta 35-105mm.
Sharpness at 60mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
Sigma 17-70 vs. Sony 55-300
Sharpness at 60mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
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
Tokina 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
Sigma 17-70 vs. Tamron 18-200
Sharpness at 70mm.
Tested Apertures F8
Sigma 17-70 vs. Sony 55-300
Sharpness at 55mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Sigma 17-70 vs. Minolta 35-105mm.
Sharpness at 55mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Sigma 17-70 vs. Sony 18-55
Sharpness at 55mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F9, F10, F11
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
Sony 16-105 vs. Sigma 17-70
Sharpness at 55mm.
Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F9, F10, F11
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
Tokina 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
Sigma 17-70 vs. Minolta 35-105mm.
Sharpness at 35mm.
Tested Apertures F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
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, 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
Sony 16-105 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Sony 35mm 1.8 vs. Sigma 17-70
Sharpness at 35mm.
Tested Apertures F1.8/F3.5, F2/F3.5, F2.2/F3.5, F2.5/F3.5, F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11