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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 29 Oct 2012 (Monday) 09:08
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New Lens (70-200 or 70-400), Help Me Decide!

 
RedCanyoneer
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Oct 29, 2012 16:54 |  #16

jshalvorsen wrote in post #15182924 (external link)
Go for the 70-200.. it's so much more versatile! And the TC is awesome, check out http://www.the-digital-picture.com …omp=0&FLIComp=7​&APIComp=0 (external link)

Also compare the images without use of TC at 200mm or something..

That is one cool website, I can't believe I haven't stumbled on it before. Thanks! (Oh, and my boss thanks you too, for me wasting so much time durnig the work day....)




  
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themadman
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Oct 29, 2012 17:48 |  #17

RedCanyoneer wrote in post #15182599 (external link)
I'm trying to be versatile and stay away from primes. I know, I know, it's a compromise....

A 400mm f5.6 + a 100-400mm combined costs in the same ballpark as a 70-200 f2.8 IS II + 2x TC III.

Not a bad plan? :lol:

Maybe a Canon 70-200 f4 IS + 400mm f5.6?


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Snydremark
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Oct 29, 2012 18:03 |  #18

While this may not be a 'typical' result from using the 70-200 + TC combo, it is the reason I caution against that selection if you intend to shoot "long" a lot:

70-200 f/2.8 MkII + 2x TC MkIII (tried 2 different copies of the TC with the same result)

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

Both were shot from a tripod and manually focused in Live View at 10x magnification, to get each one as crisp as I could.

Any time you are throwing an extra TC in there, you have glass that wasn't expected in the light path. Given the gulf of variation that occurs in the hardware, there isn't any way to know whether you're going to get good results or ones like mine. If you get results like I did, then troubleshooting gets trickier; because now, instead of two variations to go through, you have six.

The combo is nice if you're only shooting beyond 200 once in a while; but if you plan to be beyond that very often, one of the natively longer options is a much better bet. Alan threw out some good alternatives to contemplate in his earlier post.

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RedCanyoneer
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Oct 30, 2012 09:11 |  #19

Snyde, there's a pretty significant difference between the sharpness of your two examples. Based on that alone, I'm impressed with the 100-400. I looked at Alan's recommendations, particularly the Sigma stuff, and although cost-effective, the sharpness wasn't there on the "the-digital-picture" website comparisons against the 100-400.




  
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watt100
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Oct 31, 2012 05:56 |  #20

Snydremark wrote in post #15183931 (external link)
While this may not be a 'typical' result from using the 70-200 + TC combo, it is the reason I caution against that selection if you intend to shoot "long" a lot:

70-200 f/2.8 MkII + 2x TC MkIII (tried 2 different copies of the TC with the same result)

70_200MkII_2.0x-0455 (external link) by Guideon72 (external link), on Flickr

100-400:

100-400 (external link) by Guideon72 (external link), on Flickr

Both were shot from a tripod and manually focused in Live View at 10x magnification, to get each one as crisp as I could.

Any time you are throwing an extra TC in there, you have glass that wasn't expected in the light path. Given the gulf of variation that occurs in the hardware, there isn't any way to know whether you're going to get good results or ones like mine. If you get results like I did, then troubleshooting gets trickier; because now, instead of two variations to go through, you have six.

The combo is nice if you're only shooting beyond 200 once in a while; but if you plan to be beyond that very often, one of the natively longer options is a much better bet. Alan threw out some good alternatives to contemplate in his earlier post.

interesting comparison, teleconverters definitely degrade image quality




  
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FrostMonolith
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Oct 31, 2012 06:41 |  #21

watt100 wrote in post #15189885 (external link)
interesting comparison, teleconverters definitely degrade image quality

Magnifies CA too!


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jhanna1701
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Dec 06, 2012 13:04 as a reply to  @ FrostMonolith's post |  #22

I'm a little bit in the same boat here and can't decide... I'd like the 70-200 2.8 for shooting my daughter in indoor swim competitions, but would like 400mm for the occasional airshow...

Does anyone think that the 70-200 + 2x extender combo would work well for me in this situation?

Thanks,

Jamie


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watt100
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Dec 06, 2012 13:13 |  #23

jhanna1701 wrote in post #15334175 (external link)
I'm a little bit in the same boat here and can't decide... I'd like the 70-200 2.8 for shooting my daughter in indoor swim competitions, but would like 400mm for the occasional airshow...

Does anyone think that the 70-200 + 2x extender combo would work well for me in this situation?

probably, if you're going to be shooting mostly indoors then f2.8 on the 70-200 is a lot better than f4.5 or f5.6 with the 100-400




  
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TSchrief
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Dec 06, 2012 16:16 |  #24
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IMHO, 400mm is not enough for moon shots. Get the 400 f/5.6 and a 2x (III) TC.


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Justaddwata
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Dec 06, 2012 16:30 |  #25

jhanna1701 wrote in post #15334175 (external link)
I'm a little bit in the same boat here and can't decide... I'd like the 70-200 2.8 for shooting my daughter in indoor swim competitions, but would like 400mm for the occasional airshow...

Does anyone think that the 70-200 + 2x extender combo would work well for me in this situation?

Thanks,

Jamie

Yes - unless the pool is very well lit the f2.8 will give you options the 100-400mm will miss.


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New Lens (70-200 or 70-400), Help Me Decide!
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