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  Comparison # 25 
 
Lens Sharpness Comparison

Tamron 17-50 vs Sony RX100 2's Lens

Sharpness at 50mm.
Tested Apertures F4/F4.5, F6.3/F8
 
Comparison by Sinan Ozturk   
Tamron 17-50 (on Sony Alpha A35) zoomed at 50mm.

Sony RX100 2 (fixed lens) zoomed to same focal length. At this focal length Sony RX100 2's maximum aperture is F4.5 so in the comparison Tamron 17-50 is also stopped down to F4.

In the second comparison both lenses' sweet spot is used which is F8 for Tamron 17-50 and F6.3 for Sony RX100 2. So second photos are their best performance.
            [Review by Sinan Ozturk]
  
  
  Comparison Photo # 1  
Photo_87Tamron 17-50 F/2.8  
against
Photo_89 Sony RX100 mk2
F4.0 1/400 100 50mm.    
  F4.5 1/400160 30mm.  
Photo by Sinan Ozturk  Photo by Sinan Ozturk 
100% (1:1) Crop Samples
Tamron 17-50 F/2.8
Center
F/4.0
Brightness 161
7% Brighter
Tamron 17-50 F/2.8
Center 2
F/4.0
Brightness 169
(Almost Same)
Tamron 17-50 F/2.8

F/4.0
Brightness 111
7% Brighter
Sony RX100 mk2
Center
F/4.5
Brightness 143
7% Darker
Sony RX100 mk2
Center 2
F/4.5
Brightness 159
(Almost Same)
Sony RX100 mk2

F/4.5
Brightness 95
7% Darker
Display crops in Black & White
  EXIF  
 
  Comparison Photo # 2  
Photo_88Tamron 17-50 F/2.8  
against
Photo_90 Sony RX100 mk2
F8.0 1/100 100 50mm.    
  F6.3 1/200160 30mm.  
100% (1:1) Crop Samples
Tamron 17-50 F/2.8
Center
F/8.0
Brightness 166
9% Brighter
Tamron 17-50 F/2.8
Center 2
F/8.0
Brightness 177
8% Brighter
Tamron 17-50 F/2.8

F/8.0
Brightness 124
10% Brighter
Sony RX100 mk2
Center
F/6.3
Brightness 143
9% Darker
Sony RX100 mk2
Center 2
F/6.3
Brightness 156
8% Darker
Sony RX100 mk2

F/6.3
Brightness 99
10% Darker
Display crops in Black & White
  EXIF  
 
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Sony 16-50 vs Sony RX100 2's Lens
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  Other Tamron 17-50 F/2.8 vs. Sony RX100 mk2 Comparisons  
Tamron 17-50 vs Sony RX100 2
Chromatic Aberration at 35-50mm.
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  Other Comparisons of Tamron 17-50 F/2.8  
Tamron 17-50 vs. Sony 16-50
Sharpness at 28mm.
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Tamron 17-50 vs. Tamron 18-200
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Tamron 17-50 vs. Tokina 28-70 2.8
Sharpness at 28mm.
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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
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
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
  Other Comparisons of Sony RX100 mk2  
Sony RX100 mk2 vs. Sony A99
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Sony RX100 mk2 vs. Sony A7R
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Sony RX100 mk2 vs. Nikon D750
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Sony RX100 mk2 ISO Test
Tested ISOs: ISO160, ISO200, ISO400, ISO800, ISO1600, ISO3200, ISO6400, ISO12800
Sony A7R (+ Minolta 50mm F1.4 Lens) vs. Sony Rx100 mk2 Video Comparison
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Sony mirrorless full frame A7R vs. compact Sony RX100 make 2 video comparison
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Simultaneous video shot at 50mm.
Sony Alpha A99 (+ Minolta 50mm Lens) vs. Sony RX100 mk2 Video Comparison
at 50mm.
Simultaneous video shot at 50mm.