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

Comparison # 1597
Lens Sharpness Comparison
Sigma 17-70 vs. Tamron 18-200
Sharpness at 18mm. Tested Apertures F2.8/F3.5, F6.3, F8, F16
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_3256Tamron 18-200 F3.5-6.3

against

Photo_3268 Sigma 17-70 F/2.8-4 DS Macro HSM

F3.5

1/800

100

18mm.

F2.8

1/1000 ISO

100

17mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Tamron 18-200 F3.5-6.3 Center F/3.5 Brightness 117 (Almost Same)
Tamron 18-200 F3.5-6.3 Corner (Top Right) F/3.5 Brightness 166 (Almost Same)
Tamron 18-200 F3.5-6.3 Corner Vignetting F/3.5 Brightness 175 5% Darker
Tamron 18-200 F3.5-6.3 Border (Left) F/3.5 Brightness 81 (Almost Same)
Tamron 18-200 F3.5-6.3 Around Center F/3.5 Brightness 143 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/2.8 Brightness 122 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/2.8 Brightness 171 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner Vignetting F/2.8 Brightness 189 5% Brighter
	Sigma 17-70 F/2.8-4 DS Macro HSM Border (Left) F/2.8 Brightness 87 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/2.8 Brightness 149 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_3257Tamron 18-200 F3.5-6.3

against

Photo_3269 Sigma 17-70 F/2.8-4 DS Macro HSM

F6.3

1/250

100

18mm.

F6.3

1/160

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 18-200 F3.5-6.3 Center F/6.3 Brightness 132 (Almost Same)
Tamron 18-200 F3.5-6.3 Corner (Top Right) F/6.3 Brightness 189 (Almost Same)
Tamron 18-200 F3.5-6.3 Corner Vignetting F/6.3 Brightness 217 (Exactly Same)
Tamron 18-200 F3.5-6.3 Border (Left) F/6.3 Brightness 101 (Almost Same)
Tamron 18-200 F3.5-6.3 Around Center F/6.3 Brightness 157 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/6.3 Brightness 126 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/6.3 Brightness 186 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner Vignetting F/6.3 Brightness 217 (Exactly Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Border (Left) F/6.3 Brightness 100 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/6.3 Brightness 153 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_3258Tamron 18-200 F3.5-6.3

against

Photo_3270 Sigma 17-70 F/2.8-4 DS Macro HSM

F8.0

1/160

100

18mm.

F8.0

1/100

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 18-200 F3.5-6.3 Center F/8.0 Brightness 133 (Almost Same)
Tamron 18-200 F3.5-6.3 Corner (Top Right) F/8.0 Brightness 190 (Almost Same)
Tamron 18-200 F3.5-6.3 Corner Vignetting F/8.0 Brightness 218 (Exactly Same)
Tamron 18-200 F3.5-6.3 Border (Left) F/8.0 Brightness 102 (Exactly Same)
Tamron 18-200 F3.5-6.3 Around Center F/8.0 Brightness 159 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/8.0 Brightness 129 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/8.0 Brightness 188 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner Vignetting F/8.0 Brightness 218 (Exactly Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Border (Left) F/8.0 Brightness 102 (Exactly Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Around Center F/8.0 Brightness 155 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_3259Tamron 18-200 F3.5-6.3

against

Photo_3271 Sigma 17-70 F/2.8-4 DS Macro HSM

F16.0

1/40

100

18mm.

F16.0

1/25

100

17mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Tamron 18-200 F3.5-6.3 F/16.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/16.0 for locations Center, Corner (Top Right), Corner Vignetting, Border (Left), Around Center

EXIF

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Other Sigma 17-70 F/2.8-4 DS Macro HSM vs. Tamron 18-200 F3.5-6.3 Comparisons
	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
	Sigma 17-70 vs. Tamron 18-200 Sharpness at 28mm. Tested Apertures F3.2/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
	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
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 70mm. Tested Apertures F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8, F9, F10, F11
	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. Tamron 18-200 Sharpness at 70mm. Tested Apertures 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, 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
	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. 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. Tamron 18-200 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. Tamron 18-200 Sharpness at 50mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8, F10
	Tamron 18-200 vs. Sigma 17-70 Sharpness at 60mm. Tested Apertures F4/F5, F4.5/F5, 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, F4.5, F5, F5.6, F6.3, F7.1, F8
	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
	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
	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
	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
	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

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
	Sigma 17-70 vs. Minolta 28-105 Sharpness at 70mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sigma 17-70 vs. Minolta 35-105mm. Sharpness at 70mm. Tested Apertures F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
	Minolta 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
	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
	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, F7.1
	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, F7.1
	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
	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, F7.1
	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
	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. 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
	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

Other Comparisons of Tamron 18-200 F3.5-6.3
	Tamron 18-200 vs. Sony 16-105 Sharpness at 70mm. Tested Apertures F5.6, F6.3, F7.1, F8
	Tamron 18-200 vs. Minolta 28-105 Sharpness at 70mm. Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	Tamron 18-200 vs. Minolta 35-105mm. Sharpness at 70mm. Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	Minolta 28-70 2.8 vs. Tamron 18-200 Sharpness at 70mm. Tested Apertures F2.8/F5.6, F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	Tokina 28-70 2.8 vs. Tamron 18-200 Sharpness at 70mm. Tested Apertures F2.8/F5.6, F3.5/F5.6, F4/F5.6, F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	Tamron 18-200 vs. Minolta 28-105 Sharpness at 105mm. Tested Apertures F4.5/F5.6, F5/F5.6, F5.6, F6.3, F7.1, F8
	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
	Tamron 18-200 vs. Sony 16-50 Sharpness at 28mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1
	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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