Sigma 17-70 vs. Tamron 17-50 Sharpness Comparison (at 50mm.)

Comparison # 2303
Lens Sharpness Comparison
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
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_4526Tamron 17-50 F/2.8

against

Photo_4542 Sigma 17-70 F/2.8-4 DS Macro HSM

F2.8

1/320

100

50mm.

F4.0

1/160

100

50mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Center F/2.8 Brightness 118 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Left Border F/2.8 Brightness 93 (Almost Same)
Tamron 17-50 F/2.8 vignetting F/2.8 Brightness 188 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/4.0 Brightness 123 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Left Border F/4.0 Brightness 95 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM vignetting F/4.0 Brightness 189 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_4527Tamron 17-50 F/2.8

against

Photo_4542 Sigma 17-70 F/2.8-4 DS Macro HSM

F3.5

1/200

100

50mm.

F4.0

1/160

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Center F/3.5 Brightness 127 (Almost Same)
Tamron 17-50 F/2.8 Between Center and Left Border F/3.5 Brightness 107 5% Brighter
Tamron 17-50 F/2.8 vignetting F/3.5 Brightness 211 9% Brighter

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/4.0 Brightness 123 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Left Border F/4.0 Brightness 95 5% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM vignetting F/4.0 Brightness 189 9% Darker

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_4528Tamron 17-50 F/2.8

against

Photo_4542 Sigma 17-70 F/2.8-4 DS Macro HSM

F4.0

1/160

100

50mm.

F4.0

1/160

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Tamron 17-50 F/2.8 Center F/4.0 Brightness 137 6% Brighter
Tamron 17-50 F/2.8 Between Center and Left Border F/4.0 Brightness 117 9% Brighter
Tamron 17-50 F/2.8 vignetting F/4.0 Brightness 222 13% Brighter

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/4.0 Brightness 123 6% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Left Border F/4.0 Brightness 95 9% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM vignetting F/4.0 Brightness 189 13% Darker

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_4529Tamron 17-50 F/2.8

against

Photo_4543 Sigma 17-70 F/2.8-4 DS Macro HSM

F4.5

1/125

100

50mm.

F4.5

1/125

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 3 crops from Tamron 17-50 F/2.8 F/4.5 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/4.5 for locations Center, Between Center and Left Border, vignetting

EXIF

Comparison Photo # 5

Photo_4530Tamron 17-50 F/2.8

against

Photo_4544 Sigma 17-70 F/2.8-4 DS Macro HSM

F5.0

1/100

100

50mm.

F5.0

1/100

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 3 crops from Tamron 17-50 F/2.8 F/5.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/5.0 for locations Center, Between Center and Left Border, vignetting

EXIF

Comparison Photo # 6

Photo_4531Tamron 17-50 F/2.8

against

Photo_4545 Sigma 17-70 F/2.8-4 DS Macro HSM

F5.6

1/80

100

50mm.

F5.6

1/80

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 3 crops from Tamron 17-50 F/2.8 F/5.6 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/5.6 for locations Center, Between Center and Left Border, vignetting

EXIF

Comparison Photo # 7

Photo_4532Tamron 17-50 F/2.8

against

Photo_4546 Sigma 17-70 F/2.8-4 DS Macro HSM

F6.3

1/60

100

50mm.

F6.3

1/60

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 3 crops from Tamron 17-50 F/2.8 F/6.3 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 for locations Center, Between Center and Left Border, vignetting

EXIF

Comparison Photo # 8

Photo_4533Tamron 17-50 F/2.8

against

Photo_4547 Sigma 17-70 F/2.8-4 DS Macro HSM

F7.1

1/50

100

50mm.

F7.1

1/50

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 3 crops from Tamron 17-50 F/2.8 F/7.1 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/7.1 for locations Center, Between Center and Left Border, vignetting

EXIF

Comparison Photo # 9

Photo_4534Tamron 17-50 F/2.8

against

Photo_4548 Sigma 17-70 F/2.8-4 DS Macro HSM

F8.0

1/40

100

50mm.

F8.0

1/40

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 3 crops from Tamron 17-50 F/2.8 F/8.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 for locations Center, Between Center and Left Border, vignetting

EXIF

Comparison Photo # 10

Photo_4535Tamron 17-50 F/2.8

against

Photo_4549 Sigma 17-70 F/2.8-4 DS Macro HSM

F10.0

1/25

100

50mm.

F10.0

1/25

100

50mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 3 crops from Tamron 17-50 F/2.8 F/10.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/10.0 for locations Center, Between Center and Left Border, vignetting

EXIF

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Other Sigma 17-70 F/2.8-4 DS Macro HSM vs. Tamron 17-50 F/2.8 Comparisons
	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
	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
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	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
	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
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Other Comparisons of Tamron 17-50 F/2.8
	Tamron 17-50 vs. Sony 16-50 Sharpness at 28mm. Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
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	Tamron 17-50 vs. Sony 16-105 Sharpness at 28mm. Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
	Tamron 17-50 vs. Sony 18-55 Sharpness at 28mm. Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1
	Tamron 17-50 vs. Cosina 19-35 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 17-50 Sharpness at 28mm. Tested Apertures F2.8/F3.5, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1
	Tamron 17-50 vs. Minolta 35-105mm. Sharpness at 35mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Tamron 17-50 vs. Minolta 28-105 Sharpness at 35mm. Tested Apertures F2.8/F4, F3.5/F4, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Tamron 17-50 vs. Sony 35mm 1.8 Sharpness at 35mm. Tested Apertures F1.8/F2.8, F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Cosina 19-35 vs. Tamron 17-50 Sharpness at 35mm. Tested Apertures F2.8/F4.5, F3.5/F4.5, F4/F4.5, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sony 16-50 vs. Tamron 17-50 Sharpness at 35mm. Tested Apertures F2.8, F3.5, F4, F4.5, F5, F5.6, F6.3, F7.1, F8
	Sony 16-105 vs. Tamron 17-50 Sharpness at 35mm. Tested Apertures F2.8/F5, F3.5/F5, F4/F5, F4.5/F5, F5, F5.6, F6.3, F7.1, F8

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