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

Comparison # 1136
Lens Sharpness Comparison
Tamron 17-50 vs. Sigma 10-20 F4-5.6
Sharpness at 18mm. Tested Apertures F2.8/F5.6, F3.2/F5.6, F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_2621Tamron 17-50 F/2.8

against

Photo_2647 Sigma 10-20mm. F/4-5.6

F2.8

1/400

100

18mm.

F5.6

1/125

100

17mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Focus Point F/2.8 Brightness 132 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Bottom Border F/2.8 Brightness 115 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Top Left Corner F/2.8 Brightness 169 7% Brighter
Tamron 17-50 F/2.8 Corner (Bottom Right) F/2.8 Brightness 121 8% Brighter
Tamron 17-50 F/2.8 Around Center F/2.8 Brightness 117 (Exactly Same)

	Sigma 10-20mm. F/4-5.6 Focus Point F/5.6 Brightness 133 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Between Center and Bottom Border F/5.6 Brightness 117 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Between Center and Top Left Corner F/5.6 Brightness 151 7% Darker
	Sigma 10-20mm. F/4-5.6 Corner (Bottom Right) F/5.6 Brightness 99 8% Darker
	Sigma 10-20mm. F/4-5.6 Around Center F/5.6 Brightness 117 (Exactly Same)

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_2622Tamron 17-50 F/2.8

against

Photo_2647 Sigma 10-20mm. F/4-5.6

F3.2

1/320

100

18mm.

F5.6

1/125

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Focus Point F/3.2 Brightness 132 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Bottom Border F/3.2 Brightness 113 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Top Left Corner F/3.2 Brightness 168 7% Brighter
Tamron 17-50 F/2.8 Corner (Bottom Right) F/3.2 Brightness 123 9% Brighter
Tamron 17-50 F/2.8 Around Center F/3.2 Brightness 116 (Almost Same)

	Sigma 10-20mm. F/4-5.6 Focus Point F/5.6 Brightness 133 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Between Center and Bottom Border F/5.6 Brightness 117 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Between Center and Top Left Corner F/5.6 Brightness 151 7% Darker
	Sigma 10-20mm. F/4-5.6 Corner (Bottom Right) F/5.6 Brightness 99 9% Darker
	Sigma 10-20mm. F/4-5.6 Around Center F/5.6 Brightness 117 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_2623Tamron 17-50 F/2.8

against

Photo_2647 Sigma 10-20mm. F/4-5.6

F3.5

1/250

100

18mm.

F5.6

1/125

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Focus Point F/3.5 Brightness 136 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Bottom Border F/3.5 Brightness 116 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Top Left Corner F/3.5 Brightness 171 8% Brighter
Tamron 17-50 F/2.8 Corner (Bottom Right) F/3.5 Brightness 126 10% Brighter
Tamron 17-50 F/2.8 Around Center F/3.5 Brightness 120 (Almost Same)

	Sigma 10-20mm. F/4-5.6 Focus Point F/5.6 Brightness 133 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Between Center and Bottom Border F/5.6 Brightness 117 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Between Center and Top Left Corner F/5.6 Brightness 151 8% Darker
	Sigma 10-20mm. F/4-5.6 Corner (Bottom Right) F/5.6 Brightness 99 10% Darker
	Sigma 10-20mm. F/4-5.6 Around Center F/5.6 Brightness 117 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_2624Tamron 17-50 F/2.8

against

Photo_2647 Sigma 10-20mm. F/4-5.6

F4.0

1/200

100

18mm.

F5.6

1/125

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/4.0 vs. Sigma 10-20mm. F/4-5.6 F/5.6 for locations Focus Point, Between Center and Bottom Border, Between Center and Top Left Corner, Corner (Bottom Right), Around Center

EXIF

Comparison Photo # 5

Photo_2625Tamron 17-50 F/2.8

against

Photo_2647 Sigma 10-20mm. F/4-5.6

F4.5

1/160

100

18mm.

F5.6

1/125

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/4.5 vs. Sigma 10-20mm. F/4-5.6 F/5.6 for locations Focus Point, Between Center and Bottom Border, Between Center and Top Left Corner, Corner (Bottom Right), Around Center

EXIF

Comparison Photo # 6

Photo_2626Tamron 17-50 F/2.8

against

Photo_2647 Sigma 10-20mm. F/4-5.6

F5.0

1/125

100

18mm.

F5.6

1/125

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/5.0 vs. Sigma 10-20mm. F/4-5.6 F/5.6 for locations Focus Point, Between Center and Bottom Border, Between Center and Top Left Corner, Corner (Bottom Right), Around Center

EXIF

Comparison Photo # 7

Photo_2627Tamron 17-50 F/2.8

against

Photo_2647 Sigma 10-20mm. F/4-5.6

F5.6

1/100

100

18mm.

F5.6

1/125

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 Focus Point, Between Center and Bottom Border, Between Center and Top Left Corner, Corner (Bottom Right), Around Center

EXIF

Comparison Photo # 8

Photo_2628Tamron 17-50 F/2.8

against

Photo_2648 Sigma 10-20mm. F/4-5.6

F6.3

1/80

100

18mm.

F6.3

1/100

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 Focus Point, Between Center and Bottom Border, Between Center and Top Left Corner, Corner (Bottom Right), Around Center

EXIF

Comparison Photo # 9

Photo_2629Tamron 17-50 F/2.8

against

Photo_2649 Sigma 10-20mm. F/4-5.6

F8.0

1/50

100

18mm.

F8.0

1/60

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/8.0 vs. Sigma 10-20mm. F/4-5.6 F/8.0 for locations Focus Point, Between Center and Bottom Border, Between Center and Top Left Corner, Corner (Bottom Right), Around Center

EXIF

Comparison Photo # 10

Photo_2630Tamron 17-50 F/2.8

against

Photo_2650 Sigma 10-20mm. F/4-5.6

F10.0

1/30

100

18mm.

F10.0

1/40

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/10.0 vs. Sigma 10-20mm. F/4-5.6 F/10.0 for locations Focus Point, Between Center and Bottom Border, Between Center and Top Left Corner, Corner (Bottom Right), Around Center

EXIF

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