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Tamron 150-600 AI Servo sequential shots only
  
 
cameron12x
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p.5 #1 · p.5 #1 · Tamron 150-600 AI Servo sequential shots only


About the only thing that I've been able to conclude from this thread is that:

1. It does BIF reasonably well with some degree of consistency with the 6D and 70D bodies using center-point focus only.

I really don't do BIF but I like shooting sports and Motorsports. My only two bodies are the 6D and 70D. So, I guess I can conclude that I "lucked out" with this one. It's been very good for me in good light for static subjects. A keeper for me, for sure. I feel sorry for the folks who were expecting "more" at this price point. For 1/10th the price of Canon's 200-400 you can't expect the same, or anything even "near the same" performance on any level. The 100-400mm zoom is a more fair comparison, though. It does seem that Tamron may have rushed this thing to market too soon, however.

For the budget-minded BIF shooters, or for those who can't carry much weight, I sincerely hope they are able to sort most of the issues out. I would not expect miracles, though.



Feb 07, 2014 at 03:24 AM
mikeengles
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p.5 #2 · p.5 #2 · Tamron 150-600 AI Servo sequential shots only


Hello

There is no AF sensing in the lens, it just follows orders from the camera. Why is the lens being blamed for not following focus. I have problems with my 7D/100-400, which quite often just hunts or rushes off wildly to the focus extremes and I miss the shot and this is with a bird sitting on a branch. I am always having to 'pump' the AF in AI Servo The problems could also be due to sample variations in the Camera AF sensors. In general I have fewer problems with my 5D2, but then I do not get the reach.

Mike Engles



Feb 07, 2014 at 05:59 PM
John_T
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p.5 #3 · p.5 #3 · Tamron 150-600 AI Servo sequential shots only


...well, it is cloaking itself as a f/5.6 but it is a f/6.3, so I'm not surprised it lives in an AF twilight zone.


Feb 07, 2014 at 06:09 PM
Imagemaster
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p.5 #4 · p.5 #4 · Tamron 150-600 AI Servo sequential shots only


mikeengles wrote:
Hello

There is no AF sensing in the lens, it just follows orders from the camera. Why is the lens being blamed for not following focus.


Well how about because most other lenses do follow focus The lens is at fault because it does not accurately follow orders from certain cameras.

Do you have this problem with other Canon, Sigma, or even Tamron lenses? I don't.



Feb 07, 2014 at 06:45 PM
Imagemaster
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p.5 #5 · p.5 #5 · Tamron 150-600 AI Servo sequential shots only


John_T wrote:
...well, it is cloaking itself as a f/5.6 but it is a f/6.3, so I'm not surprised it lives in an AF twilight zone.


And what would that have to do with not focusing properly on a 1D series body that has no problem focusing at f8?



Feb 07, 2014 at 06:46 PM
Doug Maclean
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p.5 #6 · p.5 #6 · Tamron 150-600 AI Servo sequential shots only


I know there have been some questions about the merrit of this thread. I have found it to be
very informative.I learned to let Tamron use Canon shooters as as there Guinea Pigs before it is released for nikon.
I know I had a few sigma lenses that shot perfect on a Few of my Nikon cameras but Canon users had repeated problems.I could see that because sigma does a reverse engineer.With Tamron I am a bit surprised as from what I gather they license the tech.



Feb 07, 2014 at 10:19 PM
Karl Witt
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p.5 #7 · p.5 #7 · Tamron 150-600 AI Servo sequential shots only


OK here is one.......keep in mind, stopped the car and shot out the window desperate to find a target to do an AI Servo follow focus on.


posting 13 with Canon Info and AF point showing off and on target. RAW saved to jpeg and my in camera setting for sharpness is set to '3'

I see there was some focus change but I don't see focus on target locks.
Your thoughts are appreciated
Karl





























Feb 08, 2014 at 03:45 AM
Karl Witt
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p.5 #8 · p.5 #8 · Tamron 150-600 AI Servo sequential shots only


next 5






















Feb 08, 2014 at 03:46 AM
Karl Witt
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p.5 #9 · p.5 #9 · Tamron 150-600 AI Servo sequential shots only


last






















Feb 08, 2014 at 03:47 AM
ox0312
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p.5 #10 · p.5 #10 · Tamron 150-600 AI Servo sequential shots only


OK here is one.......keep in mind, stopped the car and shot out the window desperate to find a target to do an AI Servo follow focus on.

posting 13 with Canon Info and AF point showing off and on target. RAW saved to jpeg and my in camera setting for sharpness is set to '3'

I see there was some focus change but I don't see focus on target locks.
Your thoughts are appreciated
Karl


Thank Karl. Were you focusing with the center point only?

Not a single shot is in focus... focus point was hitting the subject but still out of focus. At least that's not happening with my 5D3. Canon 7D has issues with this lens and well pointed out in the thread.



Feb 08, 2014 at 05:42 AM
 

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ox0312
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p.5 #11 · p.5 #11 · Tamron 150-600 AI Servo sequential shots only


Canon 5D3 - 1/1600s, ISO640, f6.3, 600mm, Heavy crop: Close to 80% crop

Center Point Focus only with Case 4 of AF tracking, AI Servo with high speed conti.


Untitled by ibnemuazzam, on Flickr


Mergensar by ibnemuazzam, on Flickr


Mergensar by ibnemuazzam, on Flickr


Edited on Feb 08, 2014 at 06:39 AM · View previous versions



Feb 08, 2014 at 06:29 AM
ox0312
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p.5 #12 · p.5 #12 · Tamron 150-600 AI Servo sequential shots only


Two more from the same sequence


Mergensar by ibnemuazzam, on Flickr


Mergensar by ibnemuazzam, on Flickr




Feb 08, 2014 at 06:30 AM
Karl Witt
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p.5 #13 · p.5 #13 · Tamron 150-600 AI Servo sequential shots only


^^ Those look very good^^!

Nice job on that speedster!
Karl



Feb 08, 2014 at 01:37 PM
arbitrage
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p.5 #14 · p.5 #14 · Tamron 150-600 AI Servo sequential shots only


I agree, these look decent for the size of the bird in the frame. I guess 5D3 and 1DX (and 70D) shooters have nothing to worry about with this lens....sucks for the 7D, 1D4, 1D3 shooters though as a pattern is definitely emerging now.


Feb 08, 2014 at 01:44 PM
Tom_W
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p.5 #15 · p.5 #15 · Tamron 150-600 AI Servo sequential shots only


Interesting pattern - I have a 5D3 with which I'll test the lens a great deal. I also have a T4i which was more of the intended audience for the lens due to the pixel density. Looks like I've got some shooting to do next week when the new toy arrives!



Feb 08, 2014 at 02:31 PM
arbitrage
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p.5 #16 · p.5 #16 · Tamron 150-600 AI Servo sequential shots only


Tom_W wrote:
Interesting pattern - I have a 5D3 with which I'll test the lens a great deal. I also have a T4i which was more of the intended audience for the lens due to the pixel density. Looks like I've got some shooting to do next week when the new toy arrives!


Tom, the pixel density of the t4i will not get you a better image over the 5D3 and cropping no matter what. Trust me. Canon does not produce a good enough quality crop sensor to realize the pixel density theory. Nikon does but not Canon. Put that lens on the 5D3 and never look back. Trust me on that one



Feb 08, 2014 at 02:35 PM
amyandmark3
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p.5 #17 · p.5 #17 · Tamron 150-600 AI Servo sequential shots only


ox, nice tracking shots on the Merganser.

Karl, thanks for the test with your 1D3. If they ever 'fix' this issue between the Tamron lens and 1D3, I'll probably buy one. If not, I'll stick with the Canon options in the price range.

Mark



Feb 08, 2014 at 03:06 PM
JVthePT
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p.5 #18 · p.5 #18 · Tamron 150-600 AI Servo sequential shots only




arbitrage wrote:
I agree, these look decent for the size of the bird in the frame. I guess 5D3 and 1DX (and 70D) shooters have nothing to worry about with this lens....sucks for the 7D, 1D4, 1D3 shooters though as a pattern is definitely emerging now.


I actually have problems on my 70d more than my 6d which really surprises me. Need to get out with the 70d more.



Feb 08, 2014 at 03:16 PM
arbitrage
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p.5 #19 · p.5 #19 · Tamron 150-600 AI Servo sequential shots only


JVthePT wrote:
I actually have problems on my 70d more than my 6d which really surprises me. Need to get out with the 70d more.


Maybe I was confused, I thought there were good 70D reports but then again it is same system as 7D so likely would respond like the 7D I forgot about 6D...yes most reports are good on it



Feb 08, 2014 at 04:08 PM
mikeengles
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p.5 #20 · p.5 #20 · Tamron 150-600 AI Servo sequential shots only


Hello

Perhaps Tamron never did any tests with 'older' cameras?

Mike Engles



Feb 08, 2014 at 04:28 PM
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