Samsung 18-55 vs. Sigma 17-70 Sharpness Comparison (at 18mm.)

Comparison # 1569
Lens Sharpness Comparison
Samsung 18-55 vs. Sigma 17-70
Sharpness at 18mm. Tested Apertures F2.8/F3.5, F6.3, F8, F16
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_3268Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_3288 Samsung 18-55mm OIS F/3.5-5.6

F2.8

1/1000 ISO

100

17mm.

F3.5

1/1600 ISO

200

18mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Sigma 17-70 F/2.8-4 DS Macro HSM Center F/2.8 Brightness 122 10% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/2.8 Brightness 171 12% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Corner Vignetting F/2.8 Brightness 189 7% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Border (Left) F/2.8 Brightness 87 6% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/2.8 Brightness 149 10% Brighter

	Samsung 18-55mm OIS F/3.5-5.6 Center F/3.5 Brightness 98 10% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Corner (Top Right) F/3.5 Brightness 141 12% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Corner Vignetting F/3.5 Brightness 171 7% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Border (Left) F/3.5 Brightness 72 6% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Around Center F/3.5 Brightness 122 10% Darker

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_3269Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_3289 Samsung 18-55mm OIS F/3.5-5.6

F6.3

1/160

100

17mm.

F6.3

1/500

200

18mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Sigma 17-70 F/2.8-4 DS Macro HSM Center F/6.3 Brightness 126 12% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/6.3 Brightness 186 15% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Corner Vignetting F/6.3 Brightness 217 14% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Border (Left) F/6.3 Brightness 100 9% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/6.3 Brightness 153 13% Brighter

	Samsung 18-55mm OIS F/3.5-5.6 Center F/6.3 Brightness 94 12% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Corner (Top Right) F/6.3 Brightness 147 15% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Corner Vignetting F/6.3 Brightness 180 14% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Border (Left) F/6.3 Brightness 76 9% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Around Center F/6.3 Brightness 119 13% Darker

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_3270Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_3290 Samsung 18-55mm OIS F/3.5-5.6

F8.0

1/100

100

17mm.

F8.0

1/320

200

18mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Sigma 17-70 F/2.8-4 DS Macro HSM Center F/8.0 Brightness 129 14% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/8.0 Brightness 188 18% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Corner Vignetting F/8.0 Brightness 218 16% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Border (Left) F/8.0 Brightness 102 11% Brighter
Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/8.0 Brightness 155 14% Brighter

	Samsung 18-55mm OIS F/3.5-5.6 Center F/8.0 Brightness 95 14% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Corner (Top Right) F/8.0 Brightness 144 18% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Corner Vignetting F/8.0 Brightness 177 16% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Border (Left) F/8.0 Brightness 75 11% Darker
	Samsung 18-55mm OIS F/3.5-5.6 Around Center F/8.0 Brightness 119 14% Darker

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_3271Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_3291 Samsung 18-55mm OIS F/3.5-5.6

F16.0

1/25

100

17mm.

F16.0

1/80

200

18mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Sigma 17-70 F/2.8-4 DS Macro HSM F/16.0 vs. Samsung 18-55mm OIS F/3.5-5.6 F/16.0 for locations Center, Corner (Top Right), Corner Vignetting, Border (Left), Around Center

EXIF

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	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
	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
	Sony 16-50 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
	Minolta 28-70 2.8 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
	Sony 18-55 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
	Tokina 28-70 2.8 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. Tokina 28-70 2.8 Sharpness at 70mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8, F10
	Sigma 17-70 vs. Minolta 35-105mm. Sharpness at 70mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F8, F10
	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, F8, F10
	Sigma 17-70 vs. Minolta 28-70 2.8 Sharpness at 70mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8, F10
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
	Sigma 17-70 vs. Minolta 35-105mm. Sharpness at 50mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F6.3, F7.1, F7.1, F8, F9, F10, F11
	Sigma 17-70 vs. Sony 18-55 Sharpness at 50mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F6.3, F7.1, 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
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 50mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F6.3, F7.1, F7.1, F8, F9, F10, F11
	Sigma 17-70 vs. Sony 16-50 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
	Sigma 17-70 vs. Sony 16-105 Sharpness at 50mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F6.3, F7.1, F7.1, F8, F9, F10, F11
	Sigma 17-70 vs. Minolta 50mm 1.4 Sharpness at 50mm. Tested Apertures F1.4/F4, F1.6/F4, F1.7/F4, F2/F4, F2.2/F4, F2.5/F4, 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 28-70 2.8 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
	Sigma 17-70 vs. Tokina 28-70 2.8 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
	Sigma 17-70 vs. Sigma 50mm 2.8 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
	CZ Jena Pancolar 50mm 1.8 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F6.3, F7.1/F8, F7.1/F8, F8, F9, F10/F11, F11
	Sigma 17-70 vs. Minolta 35-105mm. Sharpness at 35mm. Tested Apertures F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F11
	Sigma 17-70 vs. Sony 35mm 1.8 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. Cosina 19-35 Sharpness at 35mm. Tested Apertures F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F8, F11
	Sigma 17-70 vs. Sony 18-55 Sharpness at 35mm. Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F8, 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, F8, 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, F8, 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
	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, F8, F11
	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, F8, F11
	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, F8, F11
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 50mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Sigma 17-70 vs. Minolta 50mm 1.4 Sharpness at 50mm. Tested Apertures F1.4/F4, F1.7/F4, F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Sigma 17-70 vs. Sony 18-55 Sharpness at 50mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F10
	Sigma 17-70 vs. Sony 16-50 Sharpness at 50mm. 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 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
	Sigma 17-70 vs. Sony 16-105 Sharpness at 50mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F10
	Sigma 50mm 2.8 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
	Minolta 28-70 2.8 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
	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, F8
	Sigma 17-70 vs. Minolta 28-70 2.8 Sharpness at 60mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F8
	Sony 16-105 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8
	Sony 18-200 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F8
	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, F8
	Sigma 17-70 vs. Minolta 28-70 2.8 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. 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. Sony 18-55 Sharpness at 35mm. Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
	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
	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
	Sony 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
	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
	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
	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
	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
	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
	Sigma 17-70 vs. Minolta 28mm 2.8 Sharpness at 28mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3
	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
	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
	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
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3
	Sony 16-105 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
	Sony 18-200 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3
	Sigma 17-70 vs. Minolta 28-70 2.8 Sharpness at 70mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10, F13
	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, F10, F13
	Tamron 18-200 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, F10, F13
	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, F10, F13
	Sigma 17-70 vs. Tokina 28-70 2.8 Sharpness at 35mm. Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Sigma 17-70 vs. Minolta 28-70 2.8 Sharpness at 35mm. Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Sigma 17-70 vs. Sony 16-50 Sharpness at 35mm. Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Sigma 17-70 vs. Sony 18-55 Sharpness at 35mm. Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F10
	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
	Sigma 17-70 vs. Sony 16-105 Sharpness at 35mm. Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F10
	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, F10
	Sony 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, F10
	Minolta 28-70 2.8 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
	Sony 16-50 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, F10
	Sony 16-105 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F10
	Sony 18-55 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F10
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Tokina 28-70 2.8 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
	Sony 18-200 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Sigma 17-70 vs. Sigma 50mm 2.8 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. Minolta 50mm 1.4 Sharpness at 50mm. Tested Apertures F2/F4, F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Sony 18-200 Sharpness at 50mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Tokina 28-70 2.8 Sharpness at 50mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sony 18-55 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	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
	Sony 16-50 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
	Sony 16-105 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
	Minolta 28-70 2.8G 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. Sony 55-300 Sharpness at 55mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
	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
	Sigma 17-70 vs. Minolta 28-70 2.8G Sharpness at 55mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Tokina 28-70 2.8 Sharpness at 55mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	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
	Sony 16-105 vs. Sigma 17-70 Sharpness at 55mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
	Sony 18-200 vs. Sigma 17-70 Sharpness at 55mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Minolta 28-70 2.8G 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. Tokina 28-70 2.8 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 18-200 Sharpness at 70mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	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
	Tamron 18-200 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
	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
	Sigma 17-70 vs. Sony 18-200 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. Sony 35mm 1.8 Sharpness at 35mm. Tested Apertures F1.8/F3.5, F2/F3.5, F2.2/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
	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. Sony 16-105 Sharpness at 35mm. Tested Apertures F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Sony 18-55 Sharpness at 35mm. Tested Apertures F3.5/F5, F4/F5, F4.5/F5, 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
	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
	Minolta 28-70 2.8G 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
	Sigma 17-70 vs. Minolta 28-70 2.8G Sharpness at 28mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F6.3, F8, F10
	Sigma 17-70 vs. Tokina 28-70 2.8 Sharpness at 28mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F6.3, F8, F10
	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, F6.3, F8, F10
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F6.3, F8, F10
	Sigma 17-70 vs. Sony 16-50 Sharpness at 28mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F6.3, F8, F10
	Sigma 17-70 vs. Sony 18-55 Sharpness at 28mm. Tested Apertures F3.2/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F6.3, F8, F10
	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
	Cosina 19-35 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, 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
	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
	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
	Sigma 17-70 vs. Minolta 28-70 2.8G Sharpness at 60mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Tokina 28-70 2.8 Sharpness at 60mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	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
	Sigma 17-70 vs. Sony 18-200 Sharpness at 60mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8
	Sony 16-105 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	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
	Tamron 18-200 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
	Tokina 28-70 2.8 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F2.8/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F9
	Sony 18-200 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
	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
	Sony E 55-210 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F9
	Sigma 17-70 vs. Sony E 55-210 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8, F10
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8, F10
	Tokina 28-70 2.8 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F2.8/F4, F5.6, F6.3, F8, F10
	Sony 18-200 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8, F10
	Sony 16-105 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8, F10
	Sony 55-300 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F4.5, F5.6, F6.3, F8, F10
	Sigma 17-70 vs. Sony E.16-50 Sharpness at 50mm. Tested Apertures F4/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 50mm. Tested Apertures F4/F5, F5, F5.6, F6.3, F8, F10
	Sigma 17-70 vs. Sigma 50mm 2.8 Sharpness at 50mm. Tested Apertures F2.8/F4, F4, F5, F5.6, F6.3, F8, F10
	Tokina 28-70 2.8 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F2.8/F4, F4, F5, F5.6, F6.3, F8, F10
	Sony 16-105 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F5, F5, F5.6, F6.3, F8, F10
	Sony 18-55 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F5.6, F5/F5.6, F5.6, F6.3, F8, F10
	Sony 18-200 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F4/F5, F5, F5.6, F6.3, F8, F10
	Minolta 50mm 1.4 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F1.4/F4, F2.8/F4, F4, F5, F5.6, F6.3, F8, F10
	Tamron 17-50 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F2.8/F4, F4, F5, F5.6, F6.3, F8, F10
	Sony 16-50 vs. Sigma 17-70 Sharpness at 50mm. Tested Apertures F2.8/F4, F4, F5, F5.6, F6.3, F8, F10
	Sigma 17-70 vs. Tamron 60 Sharpness at 60mm. Tested Apertures F2/F4, F4, F4.5, 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. 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. Tokina 28-70 2.8 Sharpness at 60mm. Tested Apertures F2.8/F4, F4, F4.5, F5, F5.6, F6.3, F8, F10
	Sony 18-200 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F10
	Sony 55-300 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Sony E 55-210 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6/F6.3, F6.3, F7.1, F8, F10
	Sigma 17-70 vs. Sony 16-50 Sharpness at 35mm. Tested Apertures F2.8/F3.5, F4, F5.6, F6.3, F8
	Sigma 17-70 vs. Sony 35mm 1.8 Sharpness at 35mm. Tested Apertures F1.8/F3.5, F2.8/F3.5, F4, F5.6, F6.3, F8
	Sigma 17-70 vs. Sony 16-105 Sharpness at 35mm. Tested Apertures F3.5/F5, F4/F5, F5.6, F6.3, F8
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 35mm. Tested Apertures F3.5/F4.5, F4/F4.5, F5.6, F6.3, F8
	Sigma 17-70 vs. Cosina 19-35 Sharpness at 35mm. Tested Apertures F3.5/F4.5, F4/F4.5, F5.6, F6.3, F8
	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. Sony 18-200 Sharpness at 35mm. Tested Apertures F3.5/F4.5, F4/F4.5, F5.6, F6.3, F8
	Sigma 17-70 vs. Sony 18-55 Sharpness at 35mm. Tested Apertures F3.5/F5, F4/F5, F5.6, F6.3, F8
	Tokina 28-70 2.8 vs. Sigma 17-70 Sharpness at 35mm. Tested Apertures F2.8/F3.5, F4, F5.6, F6.3, F8
	Sony E.16-50 vs. Sigma 17-70 Sharpness at 35mm. Tested Apertures F3.5/F5.6, F4/F5.6, F5.6, F6.3, F8