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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 04 Sep 2012 (Tuesday) 15:46
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70-200 IS 2.8 w/2xIII or 100-400?

 
snyder17315
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Sep 04, 2012 15:46 |  #1

I've got the 70-200 already and there are times that I'd love more reach (though they are only semi-often). Thought about picking up the 2xIII extender versus the 100-400 to save some cash since at 400mm both are f5.6 anyway. Any reason NOT to get the extender and use it with the 70-200 versus spending the cash on the 100-400?


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TSchrief
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Sep 04, 2012 16:11 |  #2
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Image quality be my prime motivator. I consider my 70-200 2.8 and 100-400L to be VERY different lenses. They don't overlap so much as the compliment each other. You have to change lenses to mount the 2X TC. Why not just mount a better piece of glass. Of course it costs $1,000 more to do it that way.


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Perfect_10
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Sep 04, 2012 16:26 as a reply to  @ TSchrief's post |  #3

Sometimes I don't want to lug about 2 large heavy lenses, so I'll just take the 70-200 + 2x .. I actually prefer the versatility of this combo. I don't find enough difference IQ wise between the 100-400 IS vs the 70-200 2.8 IS II + 2xIII to worry about it.


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snyder17315
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Sep 04, 2012 16:30 |  #4

TSchrief wrote in post #14947613 (external link)
Why not just mount a better piece of glass. Of course it costs $1,000 more to do it that way.

And you just answered your own question :)


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snyder17315
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Sep 04, 2012 16:34 |  #5

Perfect_10 wrote in post #14947695 (external link)
Sometimes I don't want to lug about 2 large heavy lenses, so I'll just take the 70-200 + 2x .. I actually prefer the versatility of this combo. I don't find enough difference IQ wise between the 100-400 IS vs the 70-200 2.8 IS II + 2xIII to worry about it.

I fall into this category. When I shoot long, I know I'm going to shoot long and the extender would be mounted and not come off. Good to hear about the IQ difference (or lack thereof basically) between the two lenses.


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BioSci
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Sep 04, 2012 22:41 as a reply to  @ snyder17315's post |  #6

I have the 100-400mm and just ordered a 70-200 f/2.8L IS II. There is a lot of difference between these lenses, especially IQ and low-light performance. Although I could use a 2X teleconvertor when I want to shoot at 400mm and all I have is the 70-200, the IQ doesn't match the 100-400. Look here (external link) for a comparison of IQ for these two lenses at 400mm using ISO 12233 crop charts.


Gripped 7D | 24-70 f/2.8L II | 70-200 f/2.8L II | 100-400L | 17-55 f/2.8 | lots of misc stuff

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Snydremark
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Sep 04, 2012 23:01 |  #7

IF you're only looking for the increase occasionally, and you can get a good pairing, the TC is probably the way to go, for you. Get the MkIII TC and make sure you can give it a try before buying.

I tried that combo and the IQ hit from it vs what I get out of the 100-400 was way too high for me to accept.
Both manually focused @ 10x in Live View, from tripod
70-200 + TC:

IMAGE: http://farm6.staticflickr.com/5086/5329626868_bbca64ec7e_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/snydremark/5329​626868/  (external link)
70_200MkII_2.0x-0455 (external link) by Guideon72 (external link), on Flickr

100-400:
IMAGE: http://farm6.staticflickr.com/5047/5329015605_d334ca01df_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/snydremark/5329​015605/  (external link)
100-400 (external link) by Guideon72 (external link), on Flickr

Since camera/lens variation occurs pretty heavily, this may/may not be representative of what YOUR gear will do with the combo, but it's an example of what CAN happen; which is why I recommend you buy the TC from somewhere that will let you return it easily, if it doesn't work to your satisfaction

- Eric S.: My Birds/Wildlife (external link) (7D MkII/5D IV, Canon 10-22 f/3.5-4.5, Canon 24-105L f/4 IS, Canon 70-200L f/2.8 IS MkII, Canon 100-400L f/4.5-5.6 IS I/II)
"The easiest way to improve your photos is to adjust the loose nut between the shutter release and the ground."

  
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rwong2k
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Sep 04, 2012 23:03 |  #8

oh wow! nice comparison!


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genjurok
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Sep 04, 2012 23:24 |  #9

BioSci wrote in post #14949101 (external link)
I have the 100-400mm and just ordered a 70-200 f/2.8L IS II. There is a lot of difference between these lenses, especially IQ and low-light performance. Although I could use a 2X teleconvertor when I want to shoot at 400mm and all I have is the 70-200, the IQ doesn't match the 100-400. Look here (external link) for a comparison of IQ for these two lenses at 400mm using ISO 12233 crop charts.

From the link, the 70-200 + 2x Combo is worse at 5.6, but at 6.3 it seems to be able to match the 100-400 at 5.6 and even 6.3? I'm talking about the center only since I don't really care about the corner sharpness.


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snyder17315
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Sep 05, 2012 15:36 |  #10

Snydremark wrote in post #14949170 (external link)
IF you're only looking for the increase occasionally, and you can get a good pairing, the TC is probably the way to go, for you. Get the MkIII TC and make sure you can give it a try before buying.

I tried that combo and the IQ hit from it vs what I get out of the 100-400 was way too high for me to accept.
Both manually focused @ 10x in Live View, from tripod
70-200 + TC:
QUOTED IMAGE
IMAGE LINK: http://www.flickr.com/​photos/snydremark/5329​626868/  (external link)
70_200MkII_2.0x-0455 (external link) by Guideon72 (external link), on Flickr

100-400:
QUOTED IMAGE
IMAGE LINK: http://www.flickr.com/​photos/snydremark/5329​015605/  (external link)
100-400 (external link) by Guideon72 (external link), on Flickr

Since camera/lens variation occurs pretty heavily, this may/may not be representative of what YOUR gear will do with the combo, but it's an example of what CAN happen; which is why I recommend you buy the TC from somewhere that will let you return it easily, if it doesn't work to your satisfaction

Awesome post and thanks so much for the comparison images. Based on those samples, I would agree that the difference in IQ is far to disparate for me to be happy with. Guess I better start saving my pennies for the 100-400 :)


5D MK II
EF 50mm 1.8 | EF 85mm 1.8 | EF 24-70L | EF 70-200L 2.8 IS II
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SMP_Homer
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Sep 05, 2012 18:03 |  #11

I have both, and the 2X III...
the 70-200 II pretty much always goes where I go, but the 100-400 barely ever comes out... I much prefer carry the light 2X than the 100-400 if I think I might want a bit more reach


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Snydremark
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Sep 05, 2012 19:04 |  #12

snyder17315 wrote in post #14951762 (external link)
Awesome post and thanks so much for the comparison images. Based on those samples, I would agree that the difference in IQ is far to disparate for me to be happy with. Guess I better start saving my pennies for the 100-400 :)

Those are just an example of what CAN happen; it may, still, be worthwhile for you to give a 2x a try with your 70-200, if you're not looking for that extra reach often. A rental from somewhere like LensRentals wouldn't set you back much, and would give you a better idea of how well YOUR kit would stand up with the TC.


- Eric S.: My Birds/Wildlife (external link) (7D MkII/5D IV, Canon 10-22 f/3.5-4.5, Canon 24-105L f/4 IS, Canon 70-200L f/2.8 IS MkII, Canon 100-400L f/4.5-5.6 IS I/II)
"The easiest way to improve your photos is to adjust the loose nut between the shutter release and the ground."

  
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birder_herper
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Sep 05, 2012 20:38 |  #13

I've tried the 70-200 f/2.8 IS v2 with the Canon 2x II. I thought the combo was great. Here are some handheld shots (no post-processing/shapening whatsoever):

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...and a crop:

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Here's Mr. Kitty...

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...and a crop:

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And another test...

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...and crop thereof:

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70-200 IS 2.8 w/2xIII or 100-400?
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