Tamron 17-50 vs. Sigma 10-20 F4-5.6 Sharpness Comparison (at 17-18mm.)

Comparison # 402
Lens Sharpness Comparison
Tamron 17-50 vs. Sigma 10-20 F4-5.6
Sharpness at 17-18mm. Tested Apertures F2.8/F5, F3.5/F5, F4.5/F5, F5.6, F6.3
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_872Tamron 17-50 F/2.8

against

Photo_848 Sigma 10-20mm. F/4-5.6

F2.8

1/1250 ISO

100

18mm.

F5.0

1/500

100

17mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Center F/2.8 Brightness 122 (Almost Same)
Tamron 17-50 F/2.8 Focus Point F/2.8 Brightness 114 5% Brighter
Tamron 17-50 F/2.8 Corner (Top Left) F/2.8 Brightness 147 7% Darker
Tamron 17-50 F/2.8 Between Center and Top Right Corner F/2.8 Brightness 197 (Almost Same)
Tamron 17-50 F/2.8 Around Center F/2.8 Brightness 157 5% Brighter

	Sigma 10-20mm. F/4-5.6 Center F/5.0 Brightness 115 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Focus Point F/5.0 Brightness 103 5% Darker
	Sigma 10-20mm. F/4-5.6 Corner (Top Left) F/5.0 Brightness 166 7% Brighter
	Sigma 10-20mm. F/4-5.6 Between Center and Top Right Corner F/5.0 Brightness 186 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Around Center F/5.0 Brightness 145 5% Darker

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_874Tamron 17-50 F/2.8

against

Photo_848 Sigma 10-20mm. F/4-5.6

F3.5

1/800

100

18mm.

F5.0

1/500

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Center F/3.5 Brightness 123 (Almost Same)
Tamron 17-50 F/2.8 Focus Point F/3.5 Brightness 117 6% Brighter
Tamron 17-50 F/2.8 Corner (Top Left) F/3.5 Brightness 154 5% Darker
Tamron 17-50 F/2.8 Between Center and Top Right Corner F/3.5 Brightness 197 (Almost Same)
Tamron 17-50 F/2.8 Around Center F/3.5 Brightness 159 5% Brighter

	Sigma 10-20mm. F/4-5.6 Center F/5.0 Brightness 115 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Focus Point F/5.0 Brightness 103 6% Darker
	Sigma 10-20mm. F/4-5.6 Corner (Top Left) F/5.0 Brightness 166 5% Brighter
	Sigma 10-20mm. F/4-5.6 Between Center and Top Right Corner F/5.0 Brightness 186 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Around Center F/5.0 Brightness 145 5% Darker

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_875Tamron 17-50 F/2.8

against

Photo_848 Sigma 10-20mm. F/4-5.6

F4.5

1/500

100

18mm.

F5.0

1/500

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Center F/4.5 Brightness 125 (Almost Same)
Tamron 17-50 F/2.8 Focus Point F/4.5 Brightness 120 7% Brighter
Tamron 17-50 F/2.8 Corner (Top Left) F/4.5 Brightness 159 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Top Right Corner F/4.5 Brightness 200 5% Brighter
Tamron 17-50 F/2.8 Around Center F/4.5 Brightness 163 7% Brighter

	Sigma 10-20mm. F/4-5.6 Center F/5.0 Brightness 115 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Focus Point F/5.0 Brightness 103 7% Darker
	Sigma 10-20mm. F/4-5.6 Corner (Top Left) F/5.0 Brightness 166 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Between Center and Top Right Corner F/5.0 Brightness 186 5% Darker
	Sigma 10-20mm. F/4-5.6 Around Center F/5.0 Brightness 145 7% Darker

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_876Tamron 17-50 F/2.8

against

Photo_849 Sigma 10-20mm. F/4-5.6

F5.6

1/320

100

18mm.

F5.6

1/400

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Tamron 17-50 F/2.8 F/5.6 vs. Sigma 10-20mm. F/4-5.6 F/5.6 for locations Center, Focus Point, Corner (Top Left), Between Center and Top Right Corner, Around Center

EXIF

Comparison Photo # 5

Photo_877Tamron 17-50 F/2.8

against

Photo_850 Sigma 10-20mm. F/4-5.6

F6.3

1/250

100

18mm.

F6.3

1/320

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Tamron 17-50 F/2.8 F/6.3 vs. Sigma 10-20mm. F/4-5.6 F/6.3 for locations Center, Focus Point, Corner (Top Left), Between Center and Top Right Corner, Around Center

EXIF

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