Sigma 17-70 vs. Tamron 17-50 Sharpness Comparison (at 24mm.)

Comparison # 625
Lens Sharpness Comparison
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
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_1601Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1615 Tamron 17-50 F/2.8

F3.2

1/160

100

26mm.

F2.8

1/125

100

24mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Sigma 17-70 F/2.8-4 DS Macro HSM Focus Point F/3.2 Brightness 159 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Center F/3.2 Brightness 146 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Border (Top) F/3.2 Brightness 123 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Bottom Left) F/3.2 Brightness 120 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Between Center Bottom Left Corner F/3.2 Brightness 150 (Almost Same)

	Tamron 17-50 F/2.8 Focus Point F/2.8 Brightness 155 (Almost Same)
	Tamron 17-50 F/2.8 Center F/2.8 Brightness 145 (Almost Same)
	Tamron 17-50 F/2.8 Border (Top) F/2.8 Brightness 126 (Almost Same)
	Tamron 17-50 F/2.8 Corner (Bottom Left) F/2.8 Brightness 123 (Almost Same)
	Tamron 17-50 F/2.8 Between Center Bottom Left Corner F/2.8 Brightness 153 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_1601Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1616 Tamron 17-50 F/2.8

F3.2

1/160

100

26mm.

F3.2

1/80

100

24mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Sigma 17-70 F/2.8-4 DS Macro HSM Focus Point F/3.2 Brightness 159 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Center F/3.2 Brightness 146 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Border (Top) F/3.2 Brightness 123 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Bottom Left) F/3.2 Brightness 120 6% Darker
Sigma 17-70 F/2.8-4 DS Macro HSM Between Center Bottom Left Corner F/3.2 Brightness 150 (Almost Same)

	Tamron 17-50 F/2.8 Focus Point F/3.2 Brightness 161 (Almost Same)
	Tamron 17-50 F/2.8 Center F/3.2 Brightness 151 (Almost Same)
	Tamron 17-50 F/2.8 Border (Top) F/3.2 Brightness 133 (Almost Same)
	Tamron 17-50 F/2.8 Corner (Bottom Left) F/3.2 Brightness 134 6% Brighter
	Tamron 17-50 F/2.8 Between Center Bottom Left Corner F/3.2 Brightness 160 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_1602Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1617 Tamron 17-50 F/2.8

F3.5

1/160

100

26mm.

F3.5

1/80

100

24mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Sigma 17-70 F/2.8-4 DS Macro HSM Focus Point F/3.5 Brightness 158 (Exactly Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Center F/3.5 Brightness 147 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Border (Top) F/3.5 Brightness 124 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Bottom Left) F/3.5 Brightness 123 (Almost Same)
Sigma 17-70 F/2.8-4 DS Macro HSM Between Center Bottom Left Corner F/3.5 Brightness 154 (Almost Same)

	Tamron 17-50 F/2.8 Focus Point F/3.5 Brightness 158 (Exactly Same)
	Tamron 17-50 F/2.8 Center F/3.5 Brightness 148 (Almost Same)
	Tamron 17-50 F/2.8 Border (Top) F/3.5 Brightness 130 (Almost Same)
	Tamron 17-50 F/2.8 Corner (Bottom Left) F/3.5 Brightness 133 (Almost Same)
	Tamron 17-50 F/2.8 Between Center Bottom Left Corner F/3.5 Brightness 157 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_1603Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1618 Tamron 17-50 F/2.8

F4.0

1/100

100

26mm.

F4.0

1/60

100

24mm.

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/4.0 vs. Tamron 17-50 F/2.8 F/4.0 for locations Focus Point, Center, Border (Top), Corner (Bottom Left), Between Center Bottom Left Corner

EXIF

Comparison Photo # 5

Photo_1604Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1619 Tamron 17-50 F/2.8

F4.5

1/80

100

26mm.

F4.5

1/40

100

24mm.

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/4.5 vs. Tamron 17-50 F/2.8 F/4.5 for locations Focus Point, Center, Border (Top), Corner (Bottom Left), Between Center Bottom Left Corner

EXIF

Comparison Photo # 6

Photo_1605Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1620 Tamron 17-50 F/2.8

F5.0

1/60

100

26mm.

F5.0

1/40

100

24mm.

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/5.0 vs. Tamron 17-50 F/2.8 F/5.0 for locations Focus Point, Center, Border (Top), Corner (Bottom Left), Between Center Bottom Left Corner

EXIF

Comparison Photo # 7

Photo_1606Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1621 Tamron 17-50 F/2.8

F5.6

1/50

100

26mm.

F5.6

1/40

125

24mm.

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/5.6 vs. Tamron 17-50 F/2.8 F/5.6 for locations Focus Point, Center, Border (Top), Corner (Bottom Left), Between Center Bottom Left Corner

EXIF

Comparison Photo # 8

Photo_1607Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1622 Tamron 17-50 F/2.8

F6.3

1/40

100

26mm.

F6.3

1/40

160

24mm.

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/6.3 vs. Tamron 17-50 F/2.8 F/6.3 for locations Focus Point, Center, Border (Top), Corner (Bottom Left), Between Center Bottom Left Corner

EXIF

Comparison Photo # 9

Photo_1608Sigma 17-70 F/2.8-4 DS Macro HSM

against

Photo_1623 Tamron 17-50 F/2.8

F8.0

1/40

125

26mm.

F8.0

1/40

250

24mm.

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/8.0 vs. Tamron 17-50 F/2.8 F/8.0 for locations Focus Point, Center, Border (Top), Corner (Bottom Left), Between Center Bottom Left Corner

EXIF

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	Tamron 17-50 vs. Sigma 17-70 Sharpness at 17-18mm. Tested Apertures F2.8, F3.5, F4.5, F5.6, F6.3

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	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
	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. 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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	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
	Tamron 17-50 vs. Tokina 28-70 2.8 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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