October 01, 2014, 02:16:36 AM

Author Topic: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time  (Read 10651 times)

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Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« on: February 28, 2014, 09:03:44 AM »

The first image tests of the upcoming and highly anticipated Sigma 50mm f/1.4 ART series lens have surfaced on Xitek.


The lenses used for comparison are:



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Sigma is boasting that their new 50mm lens will rival the Zeiss Otus 55mm f/1.4 for a fraction of the cost optically, and it’ll have autofocus to boot! Here’s hoping the claim is  true. Judging by this very small sampling of image quality, it’s quite possible it will be.


Source: [XT] via [PR]


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Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« on: February 28, 2014, 09:03:44 AM »

mackguyver

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #1 on: February 28, 2014, 09:11:53 AM »
This looks intriguing, but the crops they posted have horrific sharpening artifacts, the exposure of the Sigma looks brighter and the top exposures are smaller than the lower, which makes me think it was shot on a different body.  I can't get the site to load, either, so I'm not really sure you can make a valid comparison on anything other than what appears to be low CA from the new Sigma.

rs

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #2 on: February 28, 2014, 09:16:15 AM »
No word on apertures or bodies used for the test, but judging by the different magnification, the Nikon and Zeiss were probably tested on a higher MP body than the Sony and the Sigma. Although having said that, both the Nikon and Zeiss are longer than 50mm.

I'm guessing the Nikon and Zeiss were on a D800, and the Sony was on a 24mp FF body. The Sigma looks to be tested on the same resolution too, but I'd have thought Sigma would make a Sony mount last, so possibly Canon mount on an A7?

Anyway, to me the Sigma appears slightly better than the Zeiss - but this doesn't reveal much - clearly different post processing, lower MP to hide problems, and no word on what aperture setting was used.
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ajfotofilmagem

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #3 on: February 28, 2014, 09:30:46 AM »
Wow! If the test conditions are equal, Sigma put Nikon and Sony out of the game. Chromatic aberration seems to be much better in Sigma. But why not compare with existing Canon 50mm?

infared

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #4 on: February 28, 2014, 09:39:57 AM »
This is funny...this review is like a teaser-mystery-review from an iffy source....but does look promising and keeps it interestin.  Check out the CA on the Sony :-)...and the Nikon is just an utter embarrassment for a lens costing over $1000.
I am hopeful that this Sigma is all that it can be...I always thought when I read the number or elements and the grouping in this lens when it was first announced that this would have to be a killer lens..why would you put all of that glass in there otherwise?  This is also extremely embarrassing to Canon...as they are the biggest Camera manufacturer and for all of these years they have been serving up a plate of cr@p when it came to all 3 of there "normal" lenses.   The "L" (not a "bad" lens, but overpriced for what it is) should have been a lens of this construction and caliber. 
You go Sigma!  I am not going to rush out and buy this lens..but I do eventually want it in my quiver.
« Last Edit: March 01, 2014, 05:11:46 AM by infared »
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mackguyver

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #5 on: February 28, 2014, 09:48:39 AM »
Wow! If the test conditions are equal, Sigma put Nikon and Sony out of the game. Chromatic aberration seems to be much better in Sigma. But why not compare with existing Canon 50mm?
If you look at the photos and assume that everything is equal, the Sigma seems to put the Zeiss to shame.  Unfortunately the only potential takeaway is low CA.  I'll be pre-ordering one of these as soon as it goes up, but given my experience with the 50L, I'm going to be worried about the handling, bokeh, color, and contrast -- not the ability to score high on test charts.

mkabi

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #6 on: February 28, 2014, 10:26:28 AM »
Wow! If the test conditions are equal, Sigma put Nikon and Sony out of the game. Chromatic aberration seems to be much better in Sigma. But why not compare with existing Canon 50mm?

If you look at the photos and assume that everything is equal, the Sigma seems to put the Zeiss to shame.  Unfortunately the only potential takeaway is low CA.  I'll be pre-ordering one of these as soon as it goes up, but given my experience with the 50L, I'm going to be worried about the handling, bokeh, color, and contrast -- not the ability to score high on test charts.

I don't know about putting Zeiss to shame... Its better in terms of sharpness, but there are vertical line artifacts. As you said, real world testing is more needed not scoring high on test charts.
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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #6 on: February 28, 2014, 10:26:28 AM »

mackguyver

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #7 on: February 28, 2014, 10:29:44 AM »
Wow! If the test conditions are equal, Sigma put Nikon and Sony out of the game. Chromatic aberration seems to be much better in Sigma. But why not compare with existing Canon 50mm?

If you look at the photos and assume that everything is equal, the Sigma seems to put the Zeiss to shame.  Unfortunately the only potential takeaway is low CA.  I'll be pre-ordering one of these as soon as it goes up, but given my experience with the 50L, I'm going to be worried about the handling, bokeh, color, and contrast -- not the ability to score high on test charts.

I don't know about putting Zeiss to shame... Its better in terms of sharpness, but there are vertical line artifacts. As you said, real world testing is more needed not scoring high on test charts.
Exactly - you can't tell much from this test, but if you just ignore all of the defects, differences, and artifacts, the Sigma appears to have better contrast than the Zeiss.   Of course this is likely not the case, but this test (or at least the test crops) is way too flawed to tell us much of anything.

Viggo

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #8 on: February 28, 2014, 10:37:18 AM »
I doubt this comparison is COMPLETELY off, I think it will be very close to the Zeiss in a lot of ways, but perhaps not all, don't care. What people have to use today with 50mm's with AF I think we are in for a game changer.
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Eldar

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #9 on: February 28, 2014, 10:44:45 AM »
I don´t think we can read too much out of this. But it does seem to be good, so I´ll be waiting for the next and hopefully more comprehensive test and access to some full resolution raw images.
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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #10 on: February 28, 2014, 10:46:20 AM »
Well I think it is clear that it will put the 50/1.2L to shame and depending on the price point, maybe even the 50/1.4.

We all pretty much expect the successor to the 50/1.8 & 50/1.4 to have IS, which this lens does not have, but clearly if you were to consider just IQ then the new 50mm with IS is going to need to be better than the 50/1.2L in terms of IQ if it is going to compete with this lens from Sigma.

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #11 on: February 28, 2014, 10:56:06 AM »
And also I very much doubt Sigma will purposely destroy their new reputation by saying "oh, yeah it's just as good as the Zeiss" if they clearly know it's not. They won't get away with that as soon as ONE Sigma is sold and they were proven wrong. So when they say it's Zeiss good, I believe they know that for a fact.
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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #12 on: February 28, 2014, 11:04:19 AM »
I'll wait for the REAL tests........brick walls and cats  ;)   

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #12 on: February 28, 2014, 11:04:19 AM »

mackguyver

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #13 on: February 28, 2014, 11:11:00 AM »
Well I think it is clear that it will put the 50/1.2L to shame and depending on the price point, maybe even the 50/1.4.
I think that's a given in terms of sharpness, CA, and other metrics, but until I see the bokeh and the color saturation of my own shots with it, I'm not in any rush to sell my 50L. 

And also I very much doubt Sigma will purposely destroy their new reputation by saying "oh, yeah it's just as good as the Zeiss" if they clearly know it's not. They won't get away with that as soon as ONE Sigma is sold and they were proven wrong. So when they say it's Zeiss good, I believe they know that for a fact.
True - and Japanese companies aren't generally known to make bold claims they can't back up. 

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #14 on: February 28, 2014, 11:24:50 AM »
I hope they can improve the quality and consistency though.  I've been disappointed once by Sigma (30mm) which when I tested in a shop immediately displayed problems in its AF.  I've been waiting for a very good 50mm F1.4.  I don't really like Canon's version (especially its build quality) and opted to just use the 50mm F1.8 II (cheap, easy to replace and sharp enough from F2.8) for the meantime.

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Re: Sigma 50mm f/1.4 DG Art Gets Tested for the First Time
« Reply #14 on: February 28, 2014, 11:24:50 AM »