Sigma 17-70 vs. Minolta 28-70 2.8G Sharpness Comparison (at 55mm.)

Comparison # 1992
Lens Sharpness Comparison
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
	Comparison by Sinan Ozturk

Comparison Photo # 1

Photo_3866Minolta 28-70mm. F2.8

against

Photo_3884 Sigma 17-70 F/2.8-4 DS Macro HSM

F2.8

1/125

100

50mm.

F4.0

1/50

100

55mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Minolta 28-70mm. F2.8 Center F/2.8 Brightness 115 (Almost Same)
Minolta 28-70mm. F2.8 Between Center and Top Border F/2.8 Brightness 100 (Almost Same)
Minolta 28-70mm. F2.8 Corner (Top Right) F/2.8 Brightness 133 (Almost Same)
Minolta 28-70mm. F2.8 Corner (Top Left) F/2.8 Brightness 133 (Almost Same)
Minolta 28-70mm. F2.8 Between Center and Left Border F/2.8 Brightness 110 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/4.0 Brightness 119 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Top Border F/4.0 Brightness 103 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/4.0 Brightness 124 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Left) F/4.0 Brightness 131 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Left Border F/4.0 Brightness 108 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_3867Minolta 28-70mm. F2.8

against

Photo_3884 Sigma 17-70 F/2.8-4 DS Macro HSM

F3.5

1/80

100

50mm.

F4.0

1/50

100

55mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Minolta 28-70mm. F2.8 Center F/3.5 Brightness 116 (Almost Same)
Minolta 28-70mm. F2.8 Between Center and Top Border F/3.5 Brightness 101 (Almost Same)
Minolta 28-70mm. F2.8 Corner (Top Right) F/3.5 Brightness 142 7% Brighter
Minolta 28-70mm. F2.8 Corner (Top Left) F/3.5 Brightness 142 5% Brighter
Minolta 28-70mm. F2.8 Between Center and Left Border F/3.5 Brightness 111 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/4.0 Brightness 119 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Top Border F/4.0 Brightness 103 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/4.0 Brightness 124 7% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Left) F/4.0 Brightness 131 5% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Left Border F/4.0 Brightness 108 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_3868Minolta 28-70mm. F2.8

against

Photo_3884 Sigma 17-70 F/2.8-4 DS Macro HSM

F4.0

1/60

100

50mm.

F4.0

1/50

100

55mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Minolta 28-70mm. F2.8 Center F/4.0 Brightness 120 (Almost Same)
Minolta 28-70mm. F2.8 Between Center and Top Border F/4.0 Brightness 105 (Almost Same)
Minolta 28-70mm. F2.8 Corner (Top Right) F/4.0 Brightness 146 8% Brighter
Minolta 28-70mm. F2.8 Corner (Top Left) F/4.0 Brightness 146 6% Brighter
Minolta 28-70mm. F2.8 Between Center and Left Border F/4.0 Brightness 115 (Almost Same)

	Sigma 17-70 F/2.8-4 DS Macro HSM Center F/4.0 Brightness 119 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Top Border F/4.0 Brightness 103 (Almost Same)
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Right) F/4.0 Brightness 124 8% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM Corner (Top Left) F/4.0 Brightness 131 6% Darker
	Sigma 17-70 F/2.8-4 DS Macro HSM Between Center and Left Border F/4.0 Brightness 108 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_3869Minolta 28-70mm. F2.8

against

Photo_3885 Sigma 17-70 F/2.8-4 DS Macro HSM

F4.5

1/50

100

50mm.

F4.5

1/40

100

55mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Minolta 28-70mm. F2.8 F/4.5 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/4.5 for locations Center, Between Center and Top Border, Corner (Top Right), Corner (Top Left), Between Center and Left Border

EXIF

Comparison Photo # 5

Photo_3870Minolta 28-70mm. F2.8

against

Photo_3886 Sigma 17-70 F/2.8-4 DS Macro HSM

F5.0

1/40

100

50mm.

F5.0

1/30

100

55mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Minolta 28-70mm. F2.8 F/5.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/5.0 for locations Center, Between Center and Top Border, Corner (Top Right), Corner (Top Left), Between Center and Left Border

EXIF

Comparison Photo # 6

Photo_3871Minolta 28-70mm. F2.8

against

Photo_3887 Sigma 17-70 F/2.8-4 DS Macro HSM

F5.6

1/30

100

50mm.

F5.6

1/25

100

55mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Minolta 28-70mm. F2.8 F/5.6 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/5.6 for locations Center, Between Center and Top Border, Corner (Top Right), Corner (Top Left), Between Center and Left Border

EXIF

Comparison Photo # 7

Photo_3872Minolta 28-70mm. F2.8

against

Photo_3888 Sigma 17-70 F/2.8-4 DS Macro HSM

F6.3

1/25

100

50mm.

F6.3

1/20

100

55mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Minolta 28-70mm. F2.8 F/6.3 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/6.3 for locations Center, Between Center and Top Border, Corner (Top Right), Corner (Top Left), Between Center and Left Border

EXIF

Comparison Photo # 8

Photo_3873Minolta 28-70mm. F2.8

against

Photo_3889 Sigma 17-70 F/2.8-4 DS Macro HSM

F7.1

1/20

100

50mm.

F7.1

1/15

100

55mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Minolta 28-70mm. F2.8 F/7.1 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/7.1 for locations Center, Between Center and Top Border, Corner (Top Right), Corner (Top Left), Between Center and Left Border

EXIF

Comparison Photo # 9

Photo_3874Minolta 28-70mm. F2.8

against

Photo_3890 Sigma 17-70 F/2.8-4 DS Macro HSM

F8.0

1/15

100

50mm.

F8.0

1/13

100

55mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 5 crops from Minolta 28-70mm. F2.8 F/8.0 vs. Sigma 17-70 F/2.8-4 DS Macro HSM F/8.0 for locations Center, Between Center and Top Border, Corner (Top Right), Corner (Top Left), Between Center and Left Border

EXIF

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

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