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FORUMS Cameras, Lenses & Accessories Canon Digital Cameras 
Thread started 21 Dec 2014 (Sunday) 14:49
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7DII with converter

 
jlstan
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Dec 21, 2014 14:49 |  #1

Has anyone shot the new 7DII with a teleconverter and the 100-400? I was wondering how the auto focus and image quality were with like the 1.4 converter.




  
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Capn ­ Jack
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Dec 21, 2014 15:24 |  #2

I'm still playing with a Sigma 50-500 with 1.4x teleconvertor. With this lens, the regular autofocus would work, but it did autofocus in live view on a rather dreary day. I was surprised at that, I haven't downloaded images as yet to share, mostly because they were just of the neighbors siding and aren't very interesting, even as test shots, and the weather has been lousy to go out. I'm still learning the camera too.




  
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Dec 21, 2014 18:47 |  #3

The new 100 to 400? Which converter do you have - II or III?


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Dec 21, 2014 20:40 as a reply to  @ digital paradise's post |  #4

I have the old 100-400 and no converter yet looking at the 1.4III




  
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Dec 21, 2014 20:52 |  #5

Everyone is posting their new 100-400 shots. CyberDyneSystems may know more about this.


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Dec 21, 2014 21:00 as a reply to  @ digital paradise's post |  #6

Just got the 7DII, love it so far. The new 100-400 will have to wait for a while.




  
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Dec 21, 2014 21:11 |  #7

This finch was taken with my II-III-II rig. Seems OK - AF hunts a bit more but seems accurate. My experience with the 1.4X is just beginning.
7DII/1.4III/100-400II at 560mm, f/8 at 1/640, ISO 800. Handheld.

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Dec 21, 2014 21:17 as a reply to  @ Archibald's post |  #8

That shot looks great, now would the old 100-400 look close to that good with the 7DII and 1.4III?




  
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Perfectly ­ Frank
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Dec 21, 2014 21:27 |  #9

I'm curious how your 2-3-2 rig will work with BIF. Could the AF keep up with moving subjects?


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Dec 21, 2014 21:34 |  #10

Perfectly Frank wrote in post #17345184 (external link)
I'm curious how your 2-3-2 rig will work with BIF. Could the AF keep up with moving subjects?

I was in that situation yesterday when an eagle flew over and I had the III on. With that kind of focal length, it was hard to find the bird quickly. It was bad. I'm posting the pic that perhaps came out best, but it is not good. Might be better next time.

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Dec 21, 2014 21:58 |  #11

jlstan wrote in post #17345175 (external link)
That shot looks great, now would the old 100-400 look close to that good with the 7DII and 1.4III?

I can't tell you about AF speed but if you scroll down to the 100-400 comparisons and you have a good copy of the V1 you should get decent IQ but don't hold me to that. I know. A tough decision because Canon does not give that 1.4 III away. You can get a 55-250 STM for that price :-)

http://www.lensrentals​.com …/a-brief-400mm-comparison (external link)


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