Sigma 17-70 vs. Tamron 18-200 Sharpness Comparison (at 70mm.)

Comparison # 1711
Lens Sharpness Comparison
Sigma 17-70 vs. Tamron 18-200
Sharpness at 70mm. Tested Apertures F4/F5.6, F5.6, F6.3, F8, F10
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_3443Tamron 18-200 F3.5-6.3

against

Photo_3447 Sigma 17-70 F/2.8-4 DS Macro HSM

F5.6

1/100

100

80mm.

F4.0

1/160

100

70mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Tamron 18-200 F3.5-6.3 Center F/5.6 Brightness 118 (Almost Same)
Tamron 18-200 F3.5-6.3 Corner (Top Right) F/5.6 Brightness 130 (Almost Same)
Tamron 18-200 F3.5-6.3 Around Center F/5.6 Brightness 142 (Exactly Same)
Tamron 18-200 F3.5-6.3 Between Center and Top Left Corner F/5.6 Brightness 142 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/4.0 Brightness 120 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/4.0 Brightness 133 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/4.0 Brightness 142 (Exactly Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Top Left Corner F/4.0 Brightness 140 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_3443Tamron 18-200 F3.5-6.3

against

Photo_3448 Sigma 17-70 F/2.8-4 DS Macro HSM

F5.6

1/100

100

80mm.

F5.6

1/80

100

70mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 18-200 F3.5-6.3 Center F/5.6 Brightness 118 5% Darker
Tamron 18-200 F3.5-6.3 Corner (Top Right) F/5.6 Brightness 130 10% Darker
Tamron 18-200 F3.5-6.3 Around Center F/5.6 Brightness 142 (Almost Same)
Tamron 18-200 F3.5-6.3 Between Center and Top Left Corner F/5.6 Brightness 142 6% Darker

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/5.6 Brightness 131 5% Brighter
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/5.6 Brightness 156 10% Brighter
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/5.6 Brightness 152 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Top Left Corner F/5.6 Brightness 159 6% Brighter

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_3444Tamron 18-200 F3.5-6.3

against

Photo_3449 Sigma 17-70 F/2.8-4 DS Macro HSM

F6.3

1/80

100

80mm.

F6.3

1/60

100

70mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 18-200 F3.5-6.3 Center F/6.3 Brightness 129 (Almost Same)
Tamron 18-200 F3.5-6.3 Corner (Top Right) F/6.3 Brightness 145 5% Darker
Tamron 18-200 F3.5-6.3 Around Center F/6.3 Brightness 151 (Almost Same)
Tamron 18-200 F3.5-6.3 Between Center and Top Left Corner F/6.3 Brightness 153 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/6.3 Brightness 134 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/6.3 Brightness 159 5% Brighter
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/6.3 Brightness 154 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Top Left Corner F/6.3 Brightness 161 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_3445Tamron 18-200 F3.5-6.3

against

Photo_3450 Sigma 17-70 F/2.8-4 DS Macro HSM

F8.0

1/50

100

80mm.

F8.0

1/40

100

70mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 4 crops from Tamron 18-200 F3.5-6.3 F/8.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 for locations Center, Corner (Top Right), Around Center, Between Center and Top Left Corner

EXIF

Comparison Photo # 5

Photo_3446Tamron 18-200 F3.5-6.3

against

Photo_3451 Sigma 17-70 F/2.8-4 DS Macro HSM

F10.0

1/30

100

80mm.

F10.0

1/25

100

70mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 4 crops from Tamron 18-200 F3.5-6.3 F/10.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/10.0 for locations Center, Corner (Top Right), Around Center, Between Center and Top Left Corner

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. Minolta 28-70 2.8 Sharpness at 28mm. Tested Apertures F2.8/F3.2, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
	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, F5.6, F6.3, F7.1
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	Cosina 19-35 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, 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
	Minolta 28-105 vs. Sigma 17-70 Sharpness at 28mm. Tested Apertures F3.2/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
	Sigma 17-70 vs. Minolta 35-105mm. Sharpness at 35mm. Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Minolta 28-105 Sharpness at 35mm. Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
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	Tamron 18-200 vs. Minolta 35-105mm. Sharpness at 105mm. Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	Sony 16-105 vs. Tamron 18-200 Sharpness at 105mm. Tested Apertures F5.6, F6.3, F7.1, F8
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	Tokina 28-70 2.8 vs. Tamron 18-200 Sharpness at 28mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
	Minolta 28-70 2.8 vs. Tamron 18-200 Sharpness at 28mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
	Sony 16-105 vs. Tamron 18-200 Sharpness at 28mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
	Sony 18-55 vs. Tamron 18-200 Sharpness at 28mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
	Cosina 19-35 vs. Tamron 18-200 Sharpness at 28mm. Tested Apertures F4, F4.5, F5, F5.6, F6.3, F7.1
	Tamron 17-50 vs. Tamron 18-200 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 18-200 Sharpness at 28mm. Tested Apertures F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1

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