Sony 16-50 vs. Sigma 10-20 F4-5.6 Sharpness Comparison (at 16mm.)

Comparison # 109
Lens Sharpness Comparison
Sony 16-50 vs. Sigma 10-20 F4-5.6
Sharpness at 16mm. Tested Apertures F2.8/F5, F3.5/F5, F5.6, F8, F11
	Comparison by Sinan Ozturk

Both lenses are at 16mm and on tripod.

In the first 2 comparisons Sigma 10-20 is at F5 because this is the widest it can get in 16mm.

At F5, Sigma has a lot of vignetting but its corner sharpness seems a little better than Sony's F2.8. Yet Sony is just a bit more sharper in the center.

When stopped down to F3.5, Sony gains a little more advantage on center sharpness, and gets close in the corners. Its still better than Sigma at F5.6.

At F8, Sigma closes the gap but Sony is still sharper.

When they are both F11, Sigma closes the gap more and they are nearly performing same. [Review by Sinan Ozturk]

Comparison Photo # 1

Photo_270Sony 16-50 DT F2.8 SAM

against

Photo_278 Sigma 10-20mm. F/4-5.6

F2.8

1/2500 ISO

100

16mm.

F5.0

1/800

100

16mm.

Photo by Sinan Ozturk

100% (1:1) Crop Samples

Sony 16-50 DT F2.8 SAM Focus Point F/2.8 Brightness 180 (Almost Same)
Sony 16-50 DT F2.8 SAM Border (Left) F/2.8 Brightness 112 (Almost Same)
Sony 16-50 DT F2.8 SAM Around Center F/2.8 Brightness 86 (Almost Same)
Sony 16-50 DT F2.8 SAM Corner (Top Left) F/2.8 Brightness 68 (Almost Same)

	Sigma 10-20mm. F/4-5.6 Focus Point F/5.0 Brightness 182 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Border (Left) F/5.0 Brightness 102 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Around Center F/5.0 Brightness 78 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Corner (Top Left) F/5.0 Brightness 70 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 2

Photo_271Sony 16-50 DT F2.8 SAM

against

Photo_278 Sigma 10-20mm. F/4-5.6

F3.5

1/1600 ISO

100

16mm.

F5.0

1/800

100

16mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Sony 16-50 DT F2.8 SAM Focus Point F/3.5 Brightness 181 (Almost Same)
Sony 16-50 DT F2.8 SAM Border (Left) F/3.5 Brightness 119 7% Brighter
Sony 16-50 DT F2.8 SAM Around Center F/3.5 Brightness 87 (Almost Same)
Sony 16-50 DT F2.8 SAM Corner (Top Left) F/3.5 Brightness 78 (Almost Same)

	Sigma 10-20mm. F/4-5.6 Focus Point F/5.0 Brightness 182 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Border (Left) F/5.0 Brightness 102 7% Darker
	Sigma 10-20mm. F/4-5.6 Around Center F/5.0 Brightness 78 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Corner (Top Left) F/5.0 Brightness 70 (Almost Same)

Display crops in Black & White

EXIF

Comparison Photo # 3

Photo_272Sony 16-50 DT F2.8 SAM

against

Photo_280 Sigma 10-20mm. F/4-5.6

F5.6

1/640

100

16mm.

F5.6

1/640

100

16mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Sony 16-50 DT F2.8 SAM Focus Point F/5.6 Brightness 185 (Almost Same)
Sony 16-50 DT F2.8 SAM Border (Left) F/5.6 Brightness 127 5% Brighter
Sony 16-50 DT F2.8 SAM Around Center F/5.6 Brightness 92 (Almost Same)
Sony 16-50 DT F2.8 SAM Corner (Top Left) F/5.6 Brightness 91 5% Brighter

	Sigma 10-20mm. F/4-5.6 Focus Point F/5.6 Brightness 190 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Border (Left) F/5.6 Brightness 114 5% Darker
	Sigma 10-20mm. F/4-5.6 Around Center F/5.6 Brightness 90 (Almost Same)
	Sigma 10-20mm. F/4-5.6 Corner (Top Left) F/5.6 Brightness 79 5% Darker

Display crops in Black & White

EXIF

Comparison Photo # 4

Photo_273Sony 16-50 DT F2.8 SAM

against

Photo_281 Sigma 10-20mm. F/4-5.6

F8.0

1/320

100

16mm.

F8.0

1/320

100

16mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 4 crops from Sony 16-50 DT F2.8 SAM F/8.0 vs. Sigma 10-20mm. F/4-5.6 F/8.0 for locations Focus Point, Border (Left), Around Center, Corner (Top Left)

EXIF

Comparison Photo # 5

Photo_274Sony 16-50 DT F2.8 SAM

against

Photo_282 Sigma 10-20mm. F/4-5.6

F11.0

1/160

100

16mm.

F11.0

1/160

100

16mm.

Click to expand comparison photos.

100% (1:1) Crop Samples

Login or Register to display 4 crops from Sony 16-50 DT F2.8 SAM F/11.0 vs. Sigma 10-20mm. F/4-5.6 F/11.0 for locations Focus Point, Border (Left), Around Center, Corner (Top Left)

EXIF

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