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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 24 Dec 2009 (Thursday) 18:07
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70-200 2.8 with 1.4X

 
Nmura
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Dec 24, 2009 18:07 |  #1

Looking at getting a Canon 1.4 teleconverter for my 70-200 2.8 IS for more reach. Is there a difference in image quality and AF speed. I know that it will bump the 2.8 to 4.0. I'll mainly use it for sports, i.e. soccer, racing, etc. Sample photos?
thanks.


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Silverfox1
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Dec 24, 2009 18:26 |  #2

Nmura wrote in post #9259019 (external link)
Looking at getting a Canon 1.4 teleconverter for my 70-200 2.8 IS for more reach. Is there a difference in image quality and AF speed. I know that it will bump the 2.8 to 4.0. I'll mainly use it for sports, i.e. soccer, racing, etc. Sample photos?
thanks.

Below you will find pics to see both the 1.4 & 2.0 extenders used on your lens:

https://photography-on-the.net/forum/showthre​ad.php?t=676347

Regards & Merry Christmas! :D


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twoshadows
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Dec 24, 2009 19:05 |  #3

I found the image quality for that particular combo to not be acceptable, even at f/5.6 in good light :( .


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Silverfox1
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Dec 24, 2009 19:20 |  #4

twoshadows wrote in post #9259205 (external link)
I found the image quality for that particular combo to not be acceptable, even at f/5.6 in good light :( .

My next tele is going to be the 70-200 F4 IS USM since most folks claim very little degradation on image quality when it is fitted with either the Kenko 1.4 pro or the Canon extender.

What is your observation or knowledge with the F4 IS USM ?

Regards, :D


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Nmura
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Dec 24, 2009 19:54 |  #5

twoshadows wrote in post #9259205 (external link)
I found the image quality for that particular combo to not be acceptable, even at f/5.6 in good light :( .

Combo is a 70-200, f2.8, with a 1.4x = 4.0. I read that the 2x tele is not that great. Did you mean the 1.4x or 2x tele or both not acceptable.


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82NoMe
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Dec 24, 2009 19:59 as a reply to  @ Nmura's post |  #6

Here is shot with the 1.4

1/320, f/8, iso 100

IMAGE: http://farm3.static.flickr.com/2446/3737096834_6896e4306d_o.jpg

Cheers... jim

  
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twoshadows
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Dec 24, 2009 20:58 |  #7

Silverfox1 wrote in post #9259257 (external link)
My next tele is going to be the 70-200 F4 IS USM since most folks claim very little degradation on image quality when it is fitted with either the Kenko 1.4 pro or the Canon extender.

What is your observation or knowledge with the F4 IS USM ?

Regards, :D

Hi SF1,

No knowledge whatsoever with the f/4 IS. In general, I find that tc's work well in very good light with primes, usually stopped down a bit and when there's not a lot of cropping. There are exceptions of course, and the f/4 IS may very well be one of them. But I wouldn't know :) .

Nmura wrote in post #9259392 (external link)
Combo is a 70-200, f2.8, with a 1.4x = 4.0. I read that the 2x tele is not that great. Did you mean the 1.4x or 2x tele or both not acceptable.

My experiences are with the 70-200 f/2.8 IS and the Sigma 1.4x TC. Because I had sold my Sigma 100-300 and needed a zoom for a softball game, I used the 7-2IS w/1.4x TC at f/5.6 on a sunny day. Recently I was asked to make prints from those photos and I realized just how limiting that combo is.

If you haven't looked into a Sigma 100-300 f/4 you might want to (Btw, I managed to buy mine back from it's second owner - great lens!)


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twoshadows
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Dec 24, 2009 21:05 |  #8

To go a little further, I used that combo for a whole softball season and for a church closing (wide open) in poor light. Big mistake! From now on it's the 100-300 for daytime field sports and the 300 f/4 IS for low light long reach for me. YMMV


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Stuart ­ Leslie
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Dec 24, 2009 23:41 as a reply to  @ twoshadows's post |  #9

I had pretty good results with my 70-200 f/2.8 and 1.4 extender for a couple of seasons shooting soccer. You do have to stop down an additional stop for sharpness, basically minimum of f/5.6 but I had plenty of sharp shots there. Focus speed was acceptable, but a little slower than without. I found for soccer the extra reach was really necessary to cover the field so left the extender on most of the time if the light allowed.


Gear: Canon 5D III, 5D and 7D | 300 f/2.8L IS | 70-200 f/2.8L IS | 85 f/1.8 | 17-55 f/2.8 [COLOR=navy]| 24-105 f/4L | 10-22 | Zeiss 35 f/2 | TS-E 24II | Alienbees
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Nmura
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Dec 25, 2009 02:58 as a reply to  @ Stuart Leslie's post |  #10

thanks for the input guys. I'll look into the 1.4x and Sigma 100-300 f4. HAPPY HOLIDAYS TO ALL.


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Replaces
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Dec 25, 2009 03:18 |  #11

82NoMe wrote in post #9259406 (external link)
Here is shot with the 1.4

1/320, f/8, iso 100

QUOTED IMAGE

thats a sweet shot =)


"If you don't walk today, you have to run tomorrow."
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Nikon D90, MB-D80, Nikon D600, MB-D14, Nikkor AF-S 24-70mm f/2.8G, Nikkor AF-S 70-200mm f/2.8G VR.

  
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roywsmith
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Dec 25, 2009 06:38 as a reply to  @ Replaces's post |  #12

What about getting a 1.6 APC Body instead ?
The 7D is great for sports, you'd get 1.6X more than you do on the 5DMkII and you'd maintain you're 2.8 aperature.
Roy




  
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SamAlfano
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Dec 25, 2009 09:01 |  #13

While it's possible to get an occasional acceptable shot, the majority of shots I've experienced are not sharp enough. It also depends on how critical you are with your photography.

The 1.4x works beautifully on my 500 f4L, but that's about it. On all my other lenses it's just so-so.




  
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JeffreyG
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Dec 25, 2009 10:27 |  #14

My 70-200/2.8 is pretty good with the 1.4X TC. I don't hesitate to use it in situations where I need the reach but also need to be able to zoom (negating the use of my 300/4). The 300/4 is faster focusing compared to 280/4 on the TC, but you pick your poison there between AF speed and convenience.

I might be able to dig up some samples later.


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I use a Canon 5DIII and a Sony A7rIII

  
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René ­ Damkot
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Dec 25, 2009 10:53 |  #15

Might be comparable: I use a 80-200L with 1.4x Kenko Pro TC occasionally.

Works okay.

90mm:

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200mm:
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IMAGE IS A REDIRECT OR MISSING!
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