Minolta 35-80 vs. Sigma 17-70 Sharpness Comparison (at 80-70mm.)

Comparison # 445
Lens Sharpness Comparison
Minolta 35-80 vs. Sigma 17-70
Sharpness at 80-70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F7.1, F8
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_936Minolta 35-80mm F/4-5.6

against

Photo_930 Sigma 17-70 F/2.8-4 DS Macro HSM

F5.6

1/160

100

80mm.

F4.0

1/500

100

70mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Minolta 35-80mm F/4-5.6 Focus Point F/5.6 Brightness 149 9% Brighter
Minolta 35-80mm F/4-5.6 Around Center F/5.6 Brightness 158 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Focus Point F/4.0 Brightness 125 9% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/4.0 Brightness 156 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_936Minolta 35-80mm F/4-5.6

against

Photo_932 Sigma 17-70 F/2.8-4 DS Macro HSM

F5.6

1/160

100

80mm.

F5.6

1/250

100

70mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Minolta 35-80mm F/4-5.6 Focus Point F/5.6 Brightness 149 5% Brighter
Minolta 35-80mm F/4-5.6 Around Center F/5.6 Brightness 158 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Focus Point F/5.6 Brightness 134 5% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/5.6 Brightness 164 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_937Minolta 35-80mm F/4-5.6

against

Photo_933 Sigma 17-70 F/2.8-4 DS Macro HSM

F6.3

1/100

100

80mm.

F6.3

1/160

100

70mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Minolta 35-80mm F/4-5.6 Focus Point F/6.3 Brightness 150 5% Brighter
Minolta 35-80mm F/4-5.6 Around Center F/6.3 Brightness 154 5% Darker

	Sigma 17-70 F/2.8-4 DS Macro HSM Focus Point F/6.3 Brightness 138 5% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/6.3 Brightness 165 5% Brighter

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_938Minolta 35-80mm F/4-5.6

against

Photo_934 Sigma 17-70 F/2.8-4 DS Macro HSM

F7.1

1/80

100

80mm.

F7.1

1/160

100

70mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 2 crops from Minolta 35-80mm F/4-5.6 F/7.1 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/7.1 for locations Focus Point, Around Center

EXIF

Comparison Photo # 5

Photo_939Minolta 35-80mm F/4-5.6

against

Photo_935 Sigma 17-70 F/2.8-4 DS Macro HSM

F8.0

1/60

100

80mm.

F8.0

1/125

100

70mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 2 crops from Minolta 35-80mm F/4-5.6 F/8.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 for locations Focus Point, Around Center

EXIF

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Other Comparisons of Sigma 17-70 F/2.8-4 DS Macro HSM
	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, F7.1, F8
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	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. 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
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	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
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	Minolta 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, F7.1, F8, F10
	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, F7.1, F8, F10
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 70mm. Tested Apertures 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, F9, F10, F11
	Sigma 17-70 vs. Minolta 35-105mm. Sharpness at 55mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
	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, F9, F10, F11
	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, F9, F10, F11
	Sony 16-105 vs. Sigma 17-70 Sharpness at 55mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F9, F10, F11
	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
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	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. Samsung 18-55 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 18-200 Sharpness at 18mm. Tested Apertures F2.8/F3.5, F6.3, F8, F16
	Sigma 17-70 vs. Sony 18-55 Sharpness at 18mm. Tested Apertures F2.8/F3.5, F6.3, F8, F16
	Sigma 17-70 vs. Sony 16-105 Sharpness at 18mm. Tested Apertures F2.8/F3.5, F6.3, F8, F16
	Sony 16-50 vs. Sigma 17-70 Sharpness at 18mm. Tested Apertures F2.8, F6.3, F8, F16
	Sony 18-200 vs. Sigma 17-70 Sharpness at 18mm. Tested Apertures F2.8/F3.5, F6.3, F8, F16
	Tamron 17-50 vs. Sigma 17-70 Sharpness at 18mm. Tested Apertures F2.8, F6.3, F8, F16
	Sony E.16-50 vs. Sigma 17-70 Sharpness at 18mm. Tested Apertures F2.8/F4, F6.3, F8, F16
	Samsung 18-55 vs. Sigma 17-70 Sharpness at 18mm. Tested Apertures F2.8/F3.5, F6.3, F8, F16
	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
	Samsung 18-55 vs. Sigma 17-70 Sharpness at 35mm. Tested Apertures F3.5/F4.5, F4/F4.5, 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
	Nikon P300's Lens vs. Sigma 17-70 Sharpness at 55mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Samsung 18-55 Sharpness at 55mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F11
	Sigma 17-70 vs. Sony E 55-210 Sharpness at 55mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F11
	Sigma 17-70 vs. Tokina 28-70 2.8 Sharpness at 55mm. Tested Apertures F2.8/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8, F11
	Sony 55-300 vs. Sigma 17-70 Sharpness at 55mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F11
	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, F11
	Sony 18-55 vs. Sigma 17-70 Sharpness at 55mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8, F11
	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, F11
	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, F11
	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, F8
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F8
	Sigma 17-70 vs. Tamron 17-50 Sharpness at 28mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F8
	Sigma 17-70 vs. Cosina 19-35 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F8
	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, F5.6, F8
	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, F8
	Sony 18-200 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F8
	Sony 16-50 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F8
	Tokina 28-70 2.8 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F8
	Sony E.16-50 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, F8
	Samsung 18-55 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F8
	Sigma 17-70 vs. Tamron 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
	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
	Minolta 70-210 F4 (Beercan) vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Minolta 70-210 F4 (Beercan) Sharpness at 75mm. Tested Apertures F4, F4.5, F5, F5.6, F6.3, F8
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 75mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8
	Sony 16-105 vs. Sigma 17-70 Sharpness at 75mm. Tested Apertures F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F8
	Sony 55-300 vs. Sigma 17-70 Sharpness at 75mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F8
	Sony 18-200 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8, F10
	Tamron 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
	Minolta 70-210 F4 (Beercan) vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4, F5.6, F6.3, F8, F10
	Sony 55-300 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F8
	Minolta 70-210 F4 (Beercan) vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4, F4.5, F5, F5.6, F6.3, F8
	Sony 18-200 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8
	Sony 16-105 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8
	Minolta 24mm 2.8 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F8, F8/F11
	Sigma 17-70 vs. Sony 18-55 Sharpness at 24mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F8
	Sigma 17-70 vs. Tamron 17-50 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F8
	Sigma 17-70 vs. Sony 16-50 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F8
	Sigma 17-70 vs. Sony 16-105 Sharpness at 24mm. Tested Apertures F3.2/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F8
	Sigma 17-70 vs. Minolta 24mm 2.8 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Sony 18-55 Sharpness at 24mm. Tested Apertures F3.2/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sony 16-50 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sony 16-105 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F3.2/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Tamron 17-50 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 Sharpness Test at 70mm. at 70mm. Tested Apertures Between F4.0 to F13.0
	Sigma 17-70 Sharpness Test at 17mm. at 17mm. Tested Apertures Between F2.8 to F13.0
	Sigma 17-70 vs. Tokina 70-210 Sharpness at 70mm. Tested Apertures F4, F4.5, F5, F5.6, F6.3, F7.1
	Sigma 17-70 vs. Sony 16-105 Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F7.1
	Sony 55-300 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5, F5, F5.6, F6.3, F7.1
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5, F5, F5.6, F6.3, F7.1
	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
	Sony 55-300 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
	Sigma 17-70 F/2.8 - F4 Video Auto Focus Performance at 17-70mm. Auto Focus Noise (Sound), AF Speed and Focus Hunting Test (in Silent Enviroment)
	Sigma 17-70 vs. Sony 16-105 Sharpness at 16-17mm. Tested Apertures F2.8/F3.5, F3.5, F4.5, F5.6, F6.3
	Tamron 17-50 vs. Sigma 17-70 Sharpness at 17-18mm. Tested Apertures F2.8, F3.5, F4.5, F5.6, F6.3
	Sigma 17-70 Distortion Test Distortion at 50mm.
	Sigma 17-70 Distortion Test Distortion at 17mm.
	Sigma 17-70 vs. Sony 35mm 1.8 Sharpness at 35mm. Tested Apertures F1.8/F3.5, F2.8/F3.5, F5, F9, F16
	Sony 16-50 vs. Sigma 17-70 Sharpness at 35mm. Tested Apertures F2.8/F3.5, F5, F9, F16
	Carl Zeiss 24-70 vs. Sigma 17-70 Sharpness at 35mm. Tested Apertures F2.8/F3.5, F5, F9, F16
	Tamron 17-50 vs. Sigma 17-70 Sharpness at 35mm. Tested Apertures F2.8/F3.5, F5, F9, F16
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 35mm. Tested Apertures F3.5/F4.5, F5/F6.3, F9, F16
	Sony 18-55 vs. Sigma 17-70 Sharpness at 35mm. Tested Apertures F3.5/F5, F5, F9, F16
	Sigma 17-70 vs. Tamron 60 Sharpness at 60mm. Tested Apertures F2/F4, F2.8/F4, F4, F6.3
	Sigma 17-70 vs. Carl Zeiss 24-70 Sharpness at 60mm. Tested Apertures F2.8/F4, F4, F6.3
	Sony 16-105 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5.6, F4.5/F5.6, F6.3
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5, F4.5/F5, F6.3
	Sony 55-300 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5, F4.5/F5, F6.3
	Sigma 17-70 vs. Carl Zeiss 24-70 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F4.5, F6.3, F11
	Sony 18-55 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F3.2/F4, F4.5, F6.3, F11
	Tamron 17-50 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F4.5, F6.3, F6.3/F11
	Sony 16-50 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F2.8/F3.2, F4.5, F6.3, F11
	Sony 16-105 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F3.2/F4.5, F4.5, F6.3, F11
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 24mm. Tested Apertures F3.2/F4, F4.5, F6.3, F11