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Comparison: Sigma 24-70 hsm/Sony 24-70 zeiss

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captb View Drop Down
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Post Options Post Options   Quote captb Quote  Post ReplyReply Direct Link To This Post Topic: Comparison: Sigma 24-70 hsm/Sony 24-70 zeiss
    Posted: 23 February 2012 at 09:51
After some support from my fellow dyxumers. here is a quick comparison between the sigma 24-70mm HSM and the sony 24-70mm zeiss. Dont scroll down right away, try to guess which was taken with which camera. results are at the bottom. all pictures were untouched other than WB in lightroom. all were taken with an a900, fine jpeg, awb, exposure +0.7, aperture priority.

Wide angle IQ Test
Picture#1

DSC02011 by captb, on Flickr
1:1 view

1cropped by captb, on Flickr

Picture #2

DSC02013 by captb, on Flickr
1:1 view

2cropped by captb, on Flickr


Zoom IQ Test
Picture#1

DSC02014 by captb, on Flickr
Picture #2

DSC02012 by captb, on Flickr


Bokeh/wide open test
Picture set #1
f/2.8

DSC02021 by captb, on Flickr
f/3.2

DSC02022 by captb, on Flickr
f/3.5

DSC02023 by captb, on Flickr
f/4

DSC02024 by captb, on Flickr
f/4.5

DSC02025 by captb, on Flickr

Picture set #2
f/2.8

DSC02026 by captb, on Flickr
f/3.2

DSC02027 by captb, on Flickr
f/3.5

DSC02028 by captb, on Flickr
f/4

DSC02029 by captb, on Flickr
f/4.5

DSC02030 by captb, on Flickr


Color Test
Picture #1

DSC02031 by captb, on Flickr

Picture #2

DSC02032 by captb, on Flickr
a900+vg/a700/a65/a300/24-70 cz/Sigma 70-200 hsm/Minolta 28mm 2.8/Minolta 50mm 1.7/HVL-f42am/Minolta 5400hs/Metz 58 af-2
 



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captb View Drop Down
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Post Options Post Options   Quote captb Quote  Post ReplyReply Direct Link To This Post Posted: 23 February 2012 at 09:51
Results:

Wide angle IQ Test:
Picture #1 - Zeiss
Picture #2 - Sigma

Zoom IQ Test:
Picture #1 - Sigma
Picture #2 - Zeiss

Bokeh/wide open test:
Picture Set #1 - Sigma
Picture Set #2 - Zeiss

Color Test:
Picture #1 - Zeiss
Picture #2 - Sigma
a900+vg/a700/a65/a300/24-70 cz/Sigma 70-200 hsm/Minolta 28mm 2.8/Minolta 50mm 1.7/HVL-f42am/Minolta 5400hs/Metz 58 af-2
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captb View Drop Down
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Post Options Post Options   Quote captb Quote  Post ReplyReply Direct Link To This Post Posted: 23 February 2012 at 09:58
I have to say, you can see a bit more detail in the zeiss but not much. also, the metering with the sigma was consistently overexposed but of course you can lower that by lowering the exposure one stop. colorwise, i was surprised that the sigma seemed to be closer to reality. but that may just be how i white balanced. im particularly looking at the orange in the box. also, my monitor isnt calibrated so that may be a factor as well.

I know this test wasnt very detailed but I hope the side by side comparison can help some people decide if they want to upgrade.
a900+vg/a700/a65/a300/24-70 cz/Sigma 70-200 hsm/Minolta 28mm 2.8/Minolta 50mm 1.7/HVL-f42am/Minolta 5400hs/Metz 58 af-2
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Post Options Post Options   Quote Mariani Quote  Post ReplyReply Direct Link To This Post Posted: 23 February 2012 at 17:20
thank you for the test. it does appear that the Sigma seems overexposed compared to the Zeiss in the first few comparison. If they were exposed properly, the difference would be hard to tell.

as for the bokeh tests, i can't tell a difference at all.

thank you again.

Sony DSLR-A850
Sigma 12-24 / Zeiss 24-70 / Minolta 50 f1.4 / Sigma 70-200 HSM II / Sony 70-300 G
A77 & A700 / 16-80 / Sigma 8-16mm / Sigma 50-150mm 2.8
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Post Options Post Options   Quote spada Quote  Post ReplyReply Direct Link To This Post Posted: 23 February 2012 at 21:10
Although the differences are subtle, i was able to correctly guess each set. In the wide and zoom tests, I could tell from the better contrast and sharpness in the cheeks of the toy, and the bokeh test, I could tell the Zeiss was smoother (less outlined bokeh highlights) and in the color test, the yellow gives the Sigma away every time.
Ben Spada

A700|Σ18-50HSM|T28-75|35/1.8|T70-200|R85/1.4|50/2.8|Beercan|
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Post Options Post Options   Quote captb Quote  Post ReplyReply Direct Link To This Post Posted: 23 February 2012 at 21:33
Originally posted by Mariani Mariani wrote:

thank you for the test. it does appear that the Sigma seems overexposed compared to the Zeiss in the first few comparison. If they were exposed properly, the difference would be hard to tell.

as for the bokeh tests, i can't tell a difference at all.

thank you again.


np. i was surprised how similar they came out as well.
a900+vg/a700/a65/a300/24-70 cz/Sigma 70-200 hsm/Minolta 28mm 2.8/Minolta 50mm 1.7/HVL-f42am/Minolta 5400hs/Metz 58 af-2
 



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captb View Drop Down
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Post Options Post Options   Quote captb Quote  Post ReplyReply Direct Link To This Post Posted: 23 February 2012 at 21:42
Originally posted by spada spada wrote:

Although the differences are subtle, i was able to correctly guess each set. In the wide and zoom tests, I could tell from the better contrast and sharpness in the cheeks of the toy, and the bokeh test, I could tell the Zeiss was smoother (less outlined bokeh highlights) and in the color test, the yellow gives the Sigma away every time.


Although IQ of both were similar it is still clear that the zeiss is the superior lens. also, I very much prefer the color of the zeiss to the sigma. if i hadnt already bought the zeiss i think i could justify keeping the sigma.

Edited by captb - 23 February 2012 at 22:01
a900+vg/a700/a65/a300/24-70 cz/Sigma 70-200 hsm/Minolta 28mm 2.8/Minolta 50mm 1.7/HVL-f42am/Minolta 5400hs/Metz 58 af-2
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Post Options Post Options   Quote hylo66 Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2012 at 08:28
Originally posted by captb captb wrote:

Although IQ of both were similar it is still clear that the zeiss is the superior lens. also, I very much prefer the color of the zeiss to the sigma. if i hadnt already bought the zeiss i think i could justify keeping the sigma.


Thank you for the test The results look very similar but like mentioned above, the Zeiss is a superior lens. No worries, I'm sure you will enjoy the Zeiss a lot.
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Post Options Post Options   Quote gqc Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2012 at 14:16
Thanks for the test.

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Post Options Post Options   Quote jdkeck Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2012 at 15:06
i can say that i am glad i have the cz and although the difference is slight, it is there.   thanks for the comparison, i have always wondered how they compared.
a850,cz24-70, sony 50 f1.4, sony 30f2.8, sony 70-300g, minolta 28-135,
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Post Options Post Options   Quote tomiZG Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2012 at 16:33
Thanks for the test indeed.

Now, does anyone have a clue how the Sigma 24-70 hsm compares to the slightly older (recently discontinued) Sigma 24-70 Macro (2.8 aswell)? I purchased the latter (original local Sigma shop/importer), as it was delivered by mistake, but I also paid only half the price than for the hsm version.
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Post Options Post Options   Quote Jeroon Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2012 at 17:49
@Captb: In your Color Test, picture #1 (Zeiss), I see a blue line above the Sony box. In picture 2 (Sigma) the blue is barely visible. Is it chroma, colour fringing or something else?
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Post Options Post Options   Quote Steve-S Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2012 at 18:01
Originally posted by Jeroon Jeroon wrote:

@Captb: In your Color Test, picture #1 (Zeiss), I see a blue line above the Sony box. In picture 2 (Sigma) the blue is barely visible. Is it chroma, colour fringing or something else?
Appears to be a tiny wedge of blue-screen showing on a monitor, in the background...
Alpha: a77+7000; SAL 18135, SAL1870, MinO50/1.7, MinO75-300, Tam90/2.8, Smyg85/1.4, others.
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Post Options Post Options   Quote captb Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2012 at 18:51
Originally posted by Steve-S Steve-S wrote:

Originally posted by Jeroon Jeroon wrote:

@Captb: In your Color Test, picture #1 (Zeiss), I see a blue line above the Sony box. In picture 2 (Sigma) the blue is barely visible. Is it chroma, colour fringing or something else?
Appears to be a tiny wedge of blue-screen showing on a monitor, in the background...


That's correct. The Tv was on while I was taking pictures. Sorry for the confusion.
a900+vg/a700/a65/a300/24-70 cz/Sigma 70-200 hsm/Minolta 28mm 2.8/Minolta 50mm 1.7/HVL-f42am/Minolta 5400hs/Metz 58 af-2
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