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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 17 Apr 2012 (Tuesday) 09:42
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Switching to FF question: telephotos

 
foster2380
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Apr 17, 2012 09:42 |  #1

So I'm switching to a 5d mark ii from a T3i. My current telephoto is a 70-200 f4 IS with a 1.4x ii extender. If my math is correct on the crop sensor this gives me the equivalent reach of 448mm. On the 5d it will only be 280mm.

So I need help deciding if I should sell the 70-200 to fund a 100-400. I'm hesitant to do that because I absolutely love the 70-200. It is by far my favorite lens because of the quality of images I get when using it. Even with the extender on its amazing. It looks like the 100-400 isn't quite as good optically but obviously has the reach I currently have.

I shoot for hobby so I'm not going to own both at the same time. Does the 100-400 hold up against the 70-200 in the real world (not lab tests)? Or should I just keep the 70-200 and crop in post?

I shoot mostly landscape and only use telephoto sparingly. When I do us it, its for kids sports, wildlife, birds.




  
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Numenorean
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Apr 17, 2012 09:51 |  #2

For wildlife and birds, the 100-400 may be better. I don't know though I never shoot that stuff.

The 70-200 would be a better portrait lens though.


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dtufino
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Apr 17, 2012 09:52 as a reply to  @ Numenorean's post |  #3

for portraits the 135MM 2.0L lens hands down!


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rick_reno
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Apr 17, 2012 10:17 |  #4

I'd try the 100-400 before you do this, you've got a very good piece of glass there. 100-400 wasn't my cup of tea, that push/pull thing drove me nuts.




  
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troutfisher
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Apr 17, 2012 10:33 |  #5

I would beg,borrow or steal a 2* extender,preferably a Kenko and try the 70/200 with the pins taped.
It should not work (its f8 so it should not AF) and if it does the IQ may be crap BUT when I had a 5dc with a 100/400+1.4 Kenko TC it worked quite happily (again it was f8) and the IQ was not bad, the same combo will not work on my 7D.


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DreDaze
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Apr 17, 2012 11:03 |  #6

for the price of the 100-400L...you could probably keep your 70-200f4IS, and add a used sigma 150-500OS, or maybe 400L....


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jimewall
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Apr 17, 2012 11:47 as a reply to  @ DreDaze's post |  #7

Like rick-reno, I would suggest borrowing or renting the 100-400 (or Sigma equivalent) first and deciding if you want the change (and to which lens you would like to replace it with). you might even check out a long prime. I too am just a hobbyist, but I need both ranges. I use my 70-200 on way more than wildlife. Though I'm thinking I need a long prime rather than the long zoom. I'm on a crop and will probably (even when/if I move to a FF) always have a crop for the long end.


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pocanontn
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Apr 17, 2012 15:13 |  #8

I believe that the f4 version of the IS 70-200 is a very good lens and one you would definitely want to keep if you are interested enough in IQ to move 'up' to the 5D mkII
The 100-400 would mean a reduction in image quality. One example of a comparison is here:
http://www.the-digital-picture.com …omp=0&FLIComp=3​&APIComp=0 (external link)
At 200mm and wide open the 70-200 wins.

You may not want to hear this but the best way to get a 1.6x extender is just to keep your crop body. There is really nothing around the cost of a second -hand crop body like yours which will give you more reach with quality - sorry to be blunt.


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foster2380
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Apr 17, 2012 17:39 |  #9

Thanks for the input everyone. Like I said I love my 70-200. Sounds like the 100-400 just isn't quite what I need. I'd rather lose the reach and keep the IQ since I don't have a large need for 400mm right now.

pocanontn wrote in post #14282169 (external link)
You may not want to hear this but the best way to get a 1.6x extender is just to keep your crop body. There is really nothing around the cost of a second -hand crop body like yours which will give you more reach with quality - sorry to be blunt.

You know that's a very interesting way of looking at it, you're absolutely right.




  
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Higgs ­ Boson
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Apr 17, 2012 18:52 |  #10

Why dont you just keep your crop for telephoto needs? That's basically what I did. It's not like you are going to get a fortune if you sell it.

edit: oops I see someone just said it above me. I agree.


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Snydremark
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Apr 17, 2012 19:15 |  #11

What do you normally shoot? The native 100-400 will be as good as, or better than the 70-200 + TC, a lot of the time, in the overlapping focal lengths; but if you're not needing that extra reach very often, then the 70-200 + TC ought to be fine.

Just remember that if you're shooting the T3i and cropping to get the framing you'd have with a longer focal length on the 5D, you're throwing out a lot of data and any available print sizes will (potentially) be smaller than what you could do with with the 5D's output.

5Dii + 100-400 @ 280mm > T3i + 70-200 + 1.4TC

99% of the birds in my linked gallery are shot with the 100-400 on my 7D; and I don't think there's any problem at all with the IQ that I get. <shrug>


- 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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Hitthespot
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Apr 17, 2012 20:13 as a reply to  @ Snydremark's post |  #12

The 70-200 f/4 and the 100-400 are two completely different worlds. Believe I know because I was using the 70-200 f/4 IS with its 4 stop IS on my 7D and getting excellent results. My keeper rate was 75% or better. I just purchased the 100-400 with its 2 stop IS and my keeper rate hand held has been 10% and it's not the lenses fault. I'm not as steady as I used to be, and shooting wild life that may only take up a small percentage of the frame doesn't help. Add in the fact that at 400mm the 1.6 crop of the 7D gives me the equivelent FOV of 640mm. It's not easy and is taking a learning curve and patience to get good results. As others have said, if there is a way you can rent or borrow a 100-400 for a day, it may be a very good idea. You may love it, or you may find it's not your cup of tea.


Canon 7D, 24-105 f/4L IS, 70-200 f/4L IS, 100-400 f/4.5-5.6L IS, 430EX II,

  
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liupublic
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Apr 18, 2012 00:40 |  #13

I moved up to ff w 70-200 f4 is. Swap out to 100-400l a year later. Basically, 70-200 was too short even with 1.4x tc. Use 100-400 for 10 months and sold it because I keep leaving it at home due to the weight. Hard to shoot all day w 100-400 around my neck. Now I have tamron 70-300vc for the rare zoo outing. Pretty happy.

I think ff lens line up is very different than crop. My shooting style actually change after upgrade. I just wish canon has a crop mode on ff sensor and I would be much happier.


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DreDaze
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Apr 18, 2012 00:42 |  #14

Snydremark wrote in post #14283328 (external link)
Just remember that if you're shooting the T3i and cropping to get the framing you'd have with a longer focal length on the 5D, you're throwing out a lot of data and any available print sizes will (potentially) be smaller than what you could do with with the 5D's output.

5Dii + 100-400 @ 280mm > T3i + 70-200 + 1.4TC

wouldn't he be getting rid of more data by cropping the 5Dii to meet the 70-200 on a crop...the 5D with 100-400mm gives him exactly that...the crop with the other combo gives him 112-448...slightly longer in 35mm format...so he won't need to crop the t3i shots


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Snydremark
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Apr 18, 2012 02:14 |  #15

Bleh..was getting it backward a bit, yeah...and, it's too late for me to even attempt to be coherent with this, unfortunately.


- 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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Switching to FF question: telephotos
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