Sigma 150-600mm f5-6.3 OS HSM Sport announced
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Re: SIGMA 150-600!!
;D
For twice the money it better is noticeably better.
Though constant f5.6 would have been nice.
tayassu said:Well, here it is:
http://sigma-rumors.com/
I believe this will be a better option than the Tamron optically, maybe I'll buy one for myself :
;D
For twice the money it better is noticeably better.
Though constant f5.6 would have been nice.
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Re: SIGMA 150-600!!
Well, it isn't what I've been asking Sigma for, but it'll work for outdoor field sports, at least during daytime. The question is: will it deliver excellent images, corner to corner, wide open, over its entire zoom range? When I say excellent, I mean as good as my 300 f/2.8 with or without 1.4x or 2x TC.
As for wanting constant f/5.6, I don't see that as important or even useful. Remember, the camera body tells the lens what aperture to use and the lens has to figure out how to do it.
Well, it isn't what I've been asking Sigma for, but it'll work for outdoor field sports, at least during daytime. The question is: will it deliver excellent images, corner to corner, wide open, over its entire zoom range? When I say excellent, I mean as good as my 300 f/2.8 with or without 1.4x or 2x TC.
As for wanting constant f/5.6, I don't see that as important or even useful. Remember, the camera body tells the lens what aperture to use and the lens has to figure out how to do it.
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Re: SIGMA 150-600!!
That lens will never be as sharp as the bare 300/2.8, which rivals the Otus about the title being the sharpest lens in the world... Maybe the 300 with a 1.4 TC... :
But how do you want to tell the camera to use 5.6 if the lens is only 6.3 at the long end?
Bob Howland said:
That lens will never be as sharp as the bare 300/2.8, which rivals the Otus about the title being the sharpest lens in the world... Maybe the 300 with a 1.4 TC... :
But how do you want to tell the camera to use 5.6 if the lens is only 6.3 at the long end?
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Re: SIGMA 150-600!!
Tha 300 2.8 ii is in a different Price league, nobody can expect the zoom to rival this one. Whats the good News is, that it will put some pressure on Canon..... and offer an alternative to the Tamron.
Interesting will be, which one has better autofocus, better IQ at the long end and what Canons response will be
Tha 300 2.8 ii is in a different Price league, nobody can expect the zoom to rival this one. Whats the good News is, that it will put some pressure on Canon..... and offer an alternative to the Tamron.
Interesting will be, which one has better autofocus, better IQ at the long end and what Canons response will be
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Re: SIGMA 150-600!!
I know it's probably not a big deal to most people, but for me it's a major PITA to switch lenses and have to quickly reprogram my brain to react the opposite way when trying to catch fast shots.
After looking at the link, it appears this one zooms the "correct" Canon way! ;DCANONisOK said:The big question is: which way will the zoom go? The "correct" Canon way?
Unfortunately, I'm sure it's the latter.
I know it's probably not a big deal to most people, but for me it's a major PITA to switch lenses and have to quickly reprogram my brain to react the opposite way when trying to catch fast shots.
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Re: SIGMA 150-600!!
It looks very good indeed from the MTFs. But, it is an absolute monster. It weighs 900g (2 lb) more than the Tamron and is significantly bigger. It even weighs a couple of 100g more than the Canon 300/2.8 + 2xTC.
It's of little interest to me as if I need a smaller, lighter lens for travel the Tamron is more suitable, and if I want the best IQ I will use the Canon. But, it could be a good choice vs the 300/2.8 +TCs if you can't afford the Canon and or want a zoom.
Really looking forward to the reviews.
It looks very good indeed from the MTFs. But, it is an absolute monster. It weighs 900g (2 lb) more than the Tamron and is significantly bigger. It even weighs a couple of 100g more than the Canon 300/2.8 + 2xTC.
It's of little interest to me as if I need a smaller, lighter lens for travel the Tamron is more suitable, and if I want the best IQ I will use the Canon. But, it could be a good choice vs the 300/2.8 +TCs if you can't afford the Canon and or want a zoom.
Really looking forward to the reviews.
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Re: SIGMA 150-600!!
I wouldn't be surprised if the optics are marginally better (bigger, heavier, larger front element), but my biggest concern (as with all Sigma products) will be AF accuracy. At longer focal lengths even a little miss produces an out of focus image.
Still, options are good. If this is a better lens than the Tamron it might attract the middle tier of buyers, but the fact that it may cost twice as much means that Tamron will probably still claim the majority of amateur sales.
tayassu said:Well, here it is:
http://sigma-rumors.com/
I believe this will be a better option than the Tamron optically, maybe I'll buy one for myself :
I wouldn't be surprised if the optics are marginally better (bigger, heavier, larger front element), but my biggest concern (as with all Sigma products) will be AF accuracy. At longer focal lengths even a little miss produces an out of focus image.
Still, options are good. If this is a better lens than the Tamron it might attract the middle tier of buyers, but the fact that it may cost twice as much means that Tamron will probably still claim the majority of amateur sales.
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Re: SIGMA 150-600!!
Hi,
The front element is nearly the size of a 300mm f2.8, but why only f6.3 at 600mm? Or the front element is just a protective element??
Anyway, the only feature I like about this lens is that it can lock at any focal length which to me is very useful (if I want to use it for Astrophotography), but I already have a Tamron and not 100% convince about the QC of Sigma yet.
Have a nice day.
Hi,
The front element is nearly the size of a 300mm f2.8, but why only f6.3 at 600mm? Or the front element is just a protective element??
Anyway, the only feature I like about this lens is that it can lock at any focal length which to me is very useful (if I want to use it for Astrophotography), but I already have a Tamron and not 100% convince about the QC of Sigma yet.
Have a nice day.
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Re: SIGMA 150-600!!
Well every quant of light counts.
It´s not much but it´s still better.
And with that weight plus over the Tamron it would be a nice bonus.
But i guess there are reasons for not doing it. Who knows how much more it would weight than.
Bob Howland said:
Well every quant of light counts.
It´s not much but it´s still better.
And with that weight plus over the Tamron it would be a nice bonus.
But i guess there are reasons for not doing it. Who knows how much more it would weight than.
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Sigma 150-600mm f5-6.3 DG OS HSM
Sigma went more higher end than Tamron with this focal length. It has 4 additional lens elements (including 2 fluorite) and has larger diameter lens elements for the same aperture. Build quality/features also seem to be a step up from the Tamron, although there is the penalty for weight (2.8kg vs 1.8kg for the Tamron).
http://translate.google.ca/translate?hl=en&sl=pl&u=http://www.optyczne.pl/7378-news-Sigma_150-600_mm_f_5-6.3_DG_OS_HSM.html&prev=/search%3Fq%3Dhttp://www.optyczne.pl/7378-news-Sigma_150-600_mm_f_5-6.3_DG_OS_HSM.html%26biw%3D1920%26bih%3D922
Sigma went more higher end than Tamron with this focal length. It has 4 additional lens elements (including 2 fluorite) and has larger diameter lens elements for the same aperture. Build quality/features also seem to be a step up from the Tamron, although there is the penalty for weight (2.8kg vs 1.8kg for the Tamron).
http://translate.google.ca/translate?hl=en&sl=pl&u=http://www.optyczne.pl/7378-news-Sigma_150-600_mm_f_5-6.3_DG_OS_HSM.html&prev=/search%3Fq%3Dhttp://www.optyczne.pl/7378-news-Sigma_150-600_mm_f_5-6.3_DG_OS_HSM.html%26biw%3D1920%26bih%3D922
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Re: SIGMA 150-600!!
600/5.6 results in a 107mm clear aperture, same as 300/2.8. The filter size of both this lens and the 120-300 is 105mm. Therefore, the 120-300 f/2.8 can't reach 300mm or be f/2.8 at that focal length. I'm hoping that Sigma is honest about the focal length and aperture for this new lens. We'll see. FWIW, the Tamron uses 95mm filters, which is as small as possible for 600mm and f/6.3.
I really don't expect it to be as good as my 300 but I do expect it to be very good, probably better than the Tamron. More important is whether it can focus quickly and accurately enough to capture race cars and motorcycles. I don't expect to buy it before next spring since, by the time it'll likely be available, there will be snow on the ground around here. So there's lots of time for people to test it.
Canonicon said:
600/5.6 results in a 107mm clear aperture, same as 300/2.8. The filter size of both this lens and the 120-300 is 105mm. Therefore, the 120-300 f/2.8 can't reach 300mm or be f/2.8 at that focal length. I'm hoping that Sigma is honest about the focal length and aperture for this new lens. We'll see. FWIW, the Tamron uses 95mm filters, which is as small as possible for 600mm and f/6.3.
I really don't expect it to be as good as my 300 but I do expect it to be very good, probably better than the Tamron. More important is whether it can focus quickly and accurately enough to capture race cars and motorcycles. I don't expect to buy it before next spring since, by the time it'll likely be available, there will be snow on the ground around here. So there's lots of time for people to test it.
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Re: SIGMA 150-600!!
Sigma is into flourite now? Very interesting.
Honestly I wish it had been a prime 600f5.6 instead, but zooming has its advantages (and sells a million times better).
If they can beat the performance of the 400f5.6 with 1.4xTC (which still wholly beats the Tamron), then it'll be hard to resist, even with bad AF (which is an improvement over no AF).
Edit: Ah who am I kidding, the 400f5.6 on crop is still nearly as good as the Tamron and gives you no compromise in AF. Sigma would have to blow IQ out of the water to make it worthwhile.
Sigma is into flourite now? Very interesting.
Honestly I wish it had been a prime 600f5.6 instead, but zooming has its advantages (and sells a million times better).
If they can beat the performance of the 400f5.6 with 1.4xTC (which still wholly beats the Tamron), then it'll be hard to resist, even with bad AF (which is an improvement over no AF).
Edit: Ah who am I kidding, the 400f5.6 on crop is still nearly as good as the Tamron and gives you no compromise in AF. Sigma would have to blow IQ out of the water to make it worthwhile.
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Sigma just announced their answer to Tamrons wildly popular budget birding lens. Sounds like they are going to make it a bit of a higher end offering with better glass, weather sealing, and teleconverter compatibility (!) plus a bunch of OS and AF optimization.
http://sigma-rumors.com/2014/09/sigma-150-600mm-f5-6-3-dg-os-hsm-sports-additional-details/
With the Tamrons being backordered out to somewhere around the heat death of the universe, this should be a killer lens for Sigma
http://sigma-rumors.com/2014/09/sigma-150-600mm-f5-6-3-dg-os-hsm-sports-additional-details/
With the Tamrons being backordered out to somewhere around the heat death of the universe, this should be a killer lens for Sigma
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