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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 12 Feb 2016 (Friday) 14:46
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70-200 f/2.8 II + extenders or 100-400 f/4.5-5.6 II

 
Roxie2401
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Feb 12, 2016 14:46 |  #1

I currently have the 70-200 f/2.8 IS II and a Canon 1.4x extender. Wanting a little more reach what are the pros and cons of adding the 2x extender vs. getting the 100-400 IS II?

I think this may all come down to how well does the 2x extender play with the 70-200? I know I will end up about the same point with f-stop with two stop reduction with the extender, but one advantage is that the barrel on the 70-200 does not extend, compared to the 100-400, which the total length gets quite large with the barrel fully extended.

Of course, cost is a factor with the extender compared to the 100-400 lens.

I am probably most concerned about image quality, but so far I'm very happy with what the 70-200 + 1.4x produces.

Thoughts and comments most appreciated.




  
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Snydremark
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Feb 12, 2016 15:14 |  #2

To maintain image quality, you are almost always better off getting a lens with the native focal length you need over adding a TC to a shorter lens. The more lens elements you add to the equation, the more chances there are for something to not align correctly. I would certainly suggest going with the 100-400 over using the TC here.

I was one of the early adopters of the 70-200 MkII, which is a positively stunning lens, by itself. Given the cost of the lens when I purchased it, I pursued this line of thought (sell my 100-400, get 2x TC, recoup some money, save space/weight in my bag).

Since I already had the 100-400 (MkI), I was able to get a 2x TC for the 70-200 and do some side by side testing. The results from the 70-200 were fairly underwhelming; had I not had the 100-400 to compare to, I might have been happy with the TC combo results. But given the significant difference in contrast and clarity, I just couldn't accept the results. So, I returned the TC and still happily have both lenses in my kit for different purposes.


- 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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don1163
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Feb 12, 2016 15:20 |  #3

I think you will find the image quality to be much better with the 100-400 II, reading the reviews and following the threads on the forum it is a VERY good lens that produces VERY sharp images...


1DX, 500L f4, 70-200L f2.8II, 100L f2.8 macro ,16-35 f4, 1.4xIII, Metz 64-AF1

  
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Roxie2401
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Feb 12, 2016 16:18 |  #4

Thanks for the input. I had done a lot of reading and that's why I settled on the 1.4x extender - it seems to play really well with the 70-200 MK II. And I have heard that the 2x "was a whole different story."

Guess I will have to save more pennies and get used to the barrel extension on the 100-400 MK II (not to mention the weight).

Appreciate your comments.




  
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Roxie2401
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Feb 12, 2016 16:58 |  #5

Probably should start another thread, but any idea how the 70-300 L works with the 1.4x extender?




  
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Snydremark
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Feb 12, 2016 18:39 |  #6

Roxie2401 wrote in post #17895956 (external link)
Probably should start another thread, but any idea how the 70-300 L works with the 1.4x extender?

Not too well unless you're on a 5D3/7D2/1D body since that would put its max aperture at f/8. Weight won't be an issue for you on the 100-400 if you already have and are comfy with the 70-200 2.8, they're within a couple of grams of each other and the difference isn't notable


- 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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dodgyexposure
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Feb 12, 2016 19:49 |  #7

Roxie2401 wrote in post #17895956 (external link)
Probably should start another thread, but any idea how the 70-300 L works with the 1.4x extender?

AFAIK, you can't use Canon extenders with the 70-300L.

I have 70-200 II and 1.4x III, as well as 100-400 II. If I know that I will need the reach, I choose the 100-400 II every time. If nothing else, the AF is noticeably faster than the 70-200 plus extender. If I know that I need the 70-200 (usually for the f2.8), and I think that I might need more reach, I throw the 1.4x in the bag as well. Even then, if I don't have to carry it all around, I'm more likely to take both the 70-200 and 100-400 and use the appropriate lens.


Cheers, Damien

  
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Roxie2401
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Feb 12, 2016 19:53 as a reply to  @ Snydremark's post |  #8

I guess it's not the weight; it's probably the barrel extension. I'm so used to the 70-200 not extending. Based on your input, the 2x extender is off the table.




  
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Tapeman
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Feb 12, 2016 20:03 |  #9

I used the Canon's 2X MKII &MKIII extenders on my 70-200 f/2.8L IS II with great success. If you don't expect to be shooting at 400 all or most of the time you should be happy with that combo. You will lose some autofocus speed with the 2X.
If you are going to be at 400 all the time there are better ways to get there, but they will cost you more.


Canon G1X II, 1D MKIV, 5DSR, 5DIV, 5D MKII, 16-35/2.8L II, 24-70/2.8L II, 70-200/2.8L IS II, IS, 100-400/4.5-5.6 L IS II, 500/4 L IS II, 24-105/4 IS, 50/2.5 macro, 1.4x MKII, 1.4X MKIII, 2X MKIII,580EX II, 550EXs(2), ST-E2.
Gitzo 1228, 1275, 1558, Lensbaby 3G. Epson 3880, Bags that match my shoes.:)

  
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ed ­ rader
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Feb 12, 2016 20:08 |  #10

if you don't need f2.8 just get the 100-400. size, weigh and price are similar. I don't like using TCs but I will use a cropper for an extender in a pinch.


http://instagram.com/e​draderphotography/ (external link)
5D4, 80d, 16-35L F4 IS, 24-70L II, 70-200L F4 IS II, 100-400L II, sigma 15 FE, sigma 14 f1.8 art, tc 1.4 III, 430exII, gitzo 3542L + markins Q20, gitzo GT 1545T + markins Q3T, gitzo GM4562

  
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70-200 f/2.8 II + extenders or 100-400 f/4.5-5.6 II
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