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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 29 May 2010 (Saturday) 09:46
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Sigma 50-500 AF speed?

 
Gadabout
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May 29, 2010 09:46 |  #1

So I do a lot of canine photography and I'm going to need a lens with more zoom than 300 to take shots of things like lure coursing.

I just want to know if anyone has this lens and can tell me how quick the AF is compared to the canon 75-300, or whether or not it's the same, especially in AI Servo, or if the 150-500 is faster?

or maybe even the tokina 80-400, since it's a lot cheaper even though it doesn't have IS?




  
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Neilyb
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May 29, 2010 10:27 |  #2

I think the Siggy will be faster and quieter than the old canon, certainly better than the Tokina which is diesel powered. Tokina also has shoddy IQ, I had two, both were pants at 400mm.


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Gadabout
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May 29, 2010 22:18 |  #3

Is there a big difference between the 50-500 and the 150-500, IQ wise and speed wise?




  
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RetroBlader
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May 29, 2010 23:09 |  #4

Gadabout wrote in post #10269288 (external link)
Is there a big difference between the 50-500 and the 150-500, IQ wise and speed wise?

IQ-wise, the old Bigma (non-OS 50-500) is definitely much better than the 150-500.

The new 50-500 OS seems to be as good as the old Bigma, so likely better than the 150-500 as well.

Not sure about focus speed though.

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Gadabout
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May 29, 2010 23:15 |  #5

Oh so the non-OS would be a better choice? I have a canon lens with IS but I never use the IS on it, even when doing fast action shots since, to me, it seems slower. Is the non-OS okay for action photography, would you say?




  
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Old ­ Coot
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May 30, 2010 09:12 as a reply to  @ Gadabout's post |  #6

This was shot with my 50-500 non-OS on an XTi. I love this lens!


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Neilyb
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May 30, 2010 11:09 |  #7

I had the 150-500, the 50-500 for a short while and the Tokina 80-400. I did sell my 100-400 but then after the above bought another one cos it thrashes them all with ease. I know all the sigma lovers will be on here at me, but HSM is NOT USM and focus limiter helps more than you might think...IS is only 2 stops but the Sigma is clonky. Still not seen any worthwhile shots from the new Bigma and the 150-500 was too big and slow. I would really consider the 100-400 if you need that range.


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TeamSpeed
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May 30, 2010 16:24 |  #8

1) The 100-400L is more portable, and initial lock onto BIF is better than the new Sigma, but tracking once locked is just as fast on either
2) The original Bigma is still, in my opinion, the best of the 3 Sigma offerings (50-500, 150-500 OS, 50-500 OS), however the newest offering is very close IQ-wise
3) The new Sigma is more versatile than the 100-400L, and delivers nearly identical IQ, I love going from 50mm to 500mm

You can see the 50-500 OS photo archive thread for other examples, but I am happy with the new Sigma compared to the 100-400L.


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TeamSpeed
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May 30, 2010 17:07 |  #9

I've got more too, how about tracking a dragonfly? Granted it took me alot of tries, but I was never very good at tracking smaller moving objects. How about a nice still shot too of a good ol' dragonfly? :)


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DreamState
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May 30, 2010 19:46 |  #10

lol funny I was just talking about this on another post.




  
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Sigma 50-500 AF speed?
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