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UPDATE
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Zeiss Otus 55/1.4 vs. Sigma 50/1.4 Art
- Thread starter Eldar
- Start date
Thanks for this interesting comparison. It looks like the Otus provides a little more sharpness in the sharp areas, and a little more blur in the blurry areas.
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Thanks for taking the time to do the comparison shots, it looks like the ones from the sigma are a bit brighter at the same settings?
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I have had the Otus for 6 months and it is a phenomenal lens. But it is manual focus. I am still using the standard focusing screen and it is not very well suited for wide open shots. I was planning to install one of the better suited focusing screens, but I was hoping I could do that in a higher resolution body. Best results with tripod and live view.cpsico said:
The Sigma has so far proven to be a very capable lens. But I need some more time to really trust the auto focus. Sigma legacy is not very good in my view and I do have problems with my 35 Art.
I don´t think I can give you a straight answer. If it´s for slow shooting, where I could use a tripod, live view and spend time with each image, I would choose the Otus. If it involved people, dim light, movement etc. the Sigma would win (provided AF really turns out to be good over time).
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Hi Eldar, Great stuff, my 50 Art is in Singapore so I should have it in the next week or so, will try to contribute then.
But from your Posted Images I'm seeing about what I expected, the Sigma (like the 35 Art), does the job very well, albeit it has a slightly harsher rendition of the Image, especially the background.
Still, not a real issue when you consider the price difference, I can see canon will need to lift the game on their next 50, once I get the 50 Art I'll be keen to test it more against the 50f/1.2 L than the Otus, I see the Otus similar to yourself, more a specialised beast.
I can see though in future walking around Tokyo I may well not have a Canon or Zeiss in the bag, just the 35 & 50 Art, that AF does count for me.
Surprised at the size of the 50 Art though, I expected it to be smaller.
But from your Posted Images I'm seeing about what I expected, the Sigma (like the 35 Art), does the job very well, albeit it has a slightly harsher rendition of the Image, especially the background.
Still, not a real issue when you consider the price difference, I can see canon will need to lift the game on their next 50, once I get the 50 Art I'll be keen to test it more against the 50f/1.2 L than the Otus, I see the Otus similar to yourself, more a specialised beast.
I can see though in future walking around Tokyo I may well not have a Canon or Zeiss in the bag, just the 35 & 50 Art, that AF does count for me.
Surprised at the size of the 50 Art though, I expected it to be smaller.
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The lighting did change a bit, during the time it took to change lenses etc., so that contributed to some of them. But in automatic modes, I have seen a rather consitent metering difference between the two. I have no idea what causes this, but I'm sure there are people qualified to enlighten the rest of us.candc said:
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Yes, it is a good chunck of a lens. But it has more lens elements than the Otus, so from that perspective it is rather natural that it is that big.eml58 said:
I am actually amazed of the quality from the Sigma. I never thought it would be so close to the Otus. And I wonder what Canon intend to do about it.
We are probably in the same boat when it comes to declining vision. I read somewhere that by 50 you have lost 30% of your light sinsitivity and my vision dynamics has become very reduced. So AF matters.
If AF on the Sigma proves to be consistent, this will be a much used lens. The Otus is, as you say, a more specialized lens.
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For some reason I am unable to post certain images and the Otus version of the glasses is one of them. I have quite a few comparison images ready, but every time I try to post, I get a blank page in return. It happens on the same threads on various computers. I have restarted my browser, restarted my computer etc. but nothing helps.
Anyone with a hint on how to fix this?
Anyone with a hint on how to fix this?
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Eldar said:
Sorry, I can't help with the posting; I just link mine from my Smugmug galleries.
I hope it can be fixed. Your images generally are always a visual treat -- those glasses are gorgeous. And I'm interested in the Sigma 50 so any images are welcome.
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Thanks distant.star.
I´m posting this way, to allow as high resolution as possible for the viewer. I have the size limiter set to max 4000k in LR. That way people can open the image and get a better basis for evaluating them. With these two lenses the differences are so subtle that it takes a real scrutiny to find the differences.
Optically Sigma has done an excellent job, but the AF is too unreliable. And due to the shorter focus movement (app. 90 degrees), it is a sufficiently more difficult to focus than the Otus (app. 220 degrees) to lose out.
I am really puzzled with this posting issue tough. The images are shot with the same camera body, have the same size, exported in the same way, they are even of the same motives ...
I´m posting this way, to allow as high resolution as possible for the viewer. I have the size limiter set to max 4000k in LR. That way people can open the image and get a better basis for evaluating them. With these two lenses the differences are so subtle that it takes a real scrutiny to find the differences.
Optically Sigma has done an excellent job, but the AF is too unreliable. And due to the shorter focus movement (app. 90 degrees), it is a sufficiently more difficult to focus than the Otus (app. 220 degrees) to lose out.
I am really puzzled with this posting issue tough. The images are shot with the same camera body, have the same size, exported in the same way, they are even of the same motives ...
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