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  Comparison # 1862 
 
Lens Sharpness Comparison

Cosina 19-35 vs. Tamron 17-50

Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
 
Comparison by Sinan Ozturk   
  
  
  Comparison Photo # 1  
Photo_3693Tamron 17-50 F/2.8  
against
Photo_3709 Cosina 19-35mm F3.5-F4.5
F2.8 1/1000 100 28mm.    
  F4.0 1/400100 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)
Cosina 19-35mm F3.5-F4.5
Center
F/4.0
Brightness 127
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Center
F/4.0
Brightness 140
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Border (Top)
F/4.0
Brightness 108
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Corner (Top Right)
F/4.0
Brightness 92
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Between Center and Top Right Corner
F/4.0
Brightness 101
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Between Center and Bottom Border
F/4.0
Brightness 135
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 2  
Photo_3694Tamron 17-50 F/2.8  
against
Photo_3709 Cosina 19-35mm F3.5-F4.5
F3.5 1/500 100 28mm.    
  F4.0 1/400100 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
5% Brighter
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)
Cosina 19-35mm F3.5-F4.5
Center
F/4.0
Brightness 127
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Center
F/4.0
Brightness 140
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Border (Top)
F/4.0
Brightness 108
5% Darker
Cosina 19-35mm F3.5-F4.5
Corner (Top Right)
F/4.0
Brightness 92
6% Darker
Cosina 19-35mm F3.5-F4.5
Between Center and Top Right Corner
F/4.0
Brightness 101
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Between Center and Bottom Border
F/4.0
Brightness 135
(Almost Same)
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 3  
Photo_3695Tamron 17-50 F/2.8  
against
Photo_3709 Cosina 19-35mm F3.5-F4.5
F4.0 1/400 100 28mm.    
  F4.0 1/400100 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
5% Brighter
Tamron 17-50 F/2.8
Border (Top)
F/4.0
Brightness 124
7% Brighter
Tamron 17-50 F/2.8
Corner (Top Right)
F/4.0
Brightness 108
6% Brighter
Tamron 17-50 F/2.8
Between Center and Top Right Corner
F/4.0
Brightness 115
5% Brighter
Tamron 17-50 F/2.8
Between Center and Bottom Border
F/4.0
Brightness 148
5% Brighter
Cosina 19-35mm F3.5-F4.5
Center
F/4.0
Brightness 127
(Almost Same)
Cosina 19-35mm F3.5-F4.5
Center
F/4.0
Brightness 140
5% Darker
Cosina 19-35mm F3.5-F4.5
Border (Top)
F/4.0
Brightness 108
7% Darker
Cosina 19-35mm F3.5-F4.5
Corner (Top Right)
F/4.0
Brightness 92
6% Darker
Cosina 19-35mm F3.5-F4.5
Between Center and Top Right Corner
F/4.0
Brightness 101
5% Darker
Cosina 19-35mm F3.5-F4.5
Between Center and Bottom Border
F/4.0
Brightness 135
5% Darker
Black & White crops are displayed for better details study.
Click here to switch back to colored crops.
  EXIF  
 
  Comparison Photo # 4  
Photo_3696Tamron 17-50 F/2.8  
against
Photo_3710 Cosina 19-35mm F3.5-F4.5
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. Cosina 19-35mm F3.5-F4.5 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_3711 Cosina 19-35mm F3.5-F4.5
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. Cosina 19-35mm F3.5-F4.5 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_3712 Cosina 19-35mm F3.5-F4.5
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. Cosina 19-35mm F3.5-F4.5 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_3713 Cosina 19-35mm F3.5-F4.5
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. Cosina 19-35mm F3.5-F4.5 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_3714 Cosina 19-35mm F3.5-F4.5
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. Cosina 19-35mm F3.5-F4.5 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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Cosina 19-35 vs. Sony 16-105
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Cosina 19-35 vs. Sony 16-50
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Sharpness at 28mm.
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Sharpness at 28mm.
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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.
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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 Cosina 19-35mm F3.5-F4.5 vs. Tamron 17-50 F/2.8 Comparisons  
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
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
Tamron 17-50 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F3.2/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
Tamron 17-50 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F8, F11
Tamron 17-50 vs. Cosina 19-35
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. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F4/F4.5, F5.6, F6.3, F8
Cosina 19-35 vs. Tamron 17-50
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F8
Tamron 17-50 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F8
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, F9, F11/F13
Tamron 17-50 vs. Cosina 19-35
Sharpness at 24mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8, F11
  Other Comparisons of Cosina 19-35mm F3.5-F4.5  
Cosina 19-35 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
Cosina 19-35 vs. Tamron 18-200
Sharpness at 28mm.
Tested Apertures F4, F4.5, F5, F5.6, F6.3, F7.1
Cosina 19-35 vs. Tokina 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Cosina 19-35 vs. Minolta 28-70 2.8
Sharpness at 28mm.
Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Cosina 19-35 vs. Sony 16-105
Sharpness at 28mm.
Tested Apertures 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
Cosina 19-35 vs. Sony 18-55
Sharpness at 28mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
Minolta 28-105 vs. Cosina 19-35
Sharpness at 28mm.
Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
Cosina 19-35 vs. Minolta 35-105mm.
Sharpness at 35mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Cosina 19-35 vs. Minolta 28-105
Sharpness at 35mm.
Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
Cosina 19-35 vs. Sony 35mm 1.8
Sharpness at 35mm.
Tested Apertures F1.8/F4.5, F2.8/F4.5, F3.5/F4.5, F4/F4.5, 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. Cosina 19-35
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 16-105 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F4.5/F5, F5, F5.6, F6.3, F7.1, F8
Minolta 28-70 2.8 vs. Cosina 19-35
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
Tokina 28-70 2.8 vs. Cosina 19-35
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 18-55 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F4.5, F5, F5.6, F6.3, F7.1, F8
Tamron 18-200 vs. Cosina 19-35
Sharpness at 35mm.
Tested Apertures F4.5, F5, F5.6, F6.3, F7.1, F8
Cosina 19-35 vs. Minolta 35-105mm.
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
  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. Sigma 17-70
Sharpness at 28mm.
Tested Apertures F2.8/F3.2, F3.5, F4, 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
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
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
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