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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 22 Apr 2013 (Monday) 14:00
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400 f4.0 vs 400 f2.8

 
wdh777
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Apr 22, 2013 14:00 |  #1

Do notice a big difference between one stop on these lenses? Also, considering the 200-400 f4 1.4 is rumored to be coming out in the fall would most folks sacrifice the one stop for the flexibility of the zoom feature? Will you notice a significant difference in bokeh when shooting wide open? Thanks




  
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gasrocks
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Apr 22, 2013 14:02 |  #2

What 400/4 are you talking about? Canon does not make one. Have you seen the price for the 200-400? Maybe if you gave us a hint of what you will be using it for, we might be able to tell you how big a deal 1 or 2 stops are.


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FlyingPhotog
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Apr 22, 2013 14:03 |  #3

You meant the 200-400 f/4 yes?

One stop may not seem like much, but it's twice the light which can sometimes mean the difference between getting the shot and not getting the shot.

Entirely up to your needs as a shooter and your budgetary constraints.


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Copidosoma
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Apr 22, 2013 14:40 |  #4

gasrocks wrote in post #15855351 (external link)
What 400/4 are you talking about? Canon does not make one. Have you seen the price for the 200-400? Maybe if you gave us a hint of what you will be using it for, we might be able to tell you how big a deal 1 or 2 stops are.

I believe the OP is refering to this:

http://www.bhphotovide​o.com …photo_EF_400mm_​f_4_0.html (external link)


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Foggiest
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Apr 22, 2013 14:41 |  #5

gasrocks wrote in post #15855351 (external link)
What 400/4 are you talking about? Canon does not make one. Have you seen the price for the 200-400? Maybe if you gave us a hint of what you will be using it for, we might be able to tell you how big a deal 1 or 2 stops are.

I thought he meant this one :
http://www.the-digital-picture.com …O-IS-USM-Lens-Review.aspx (external link)




  
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Dawicka2
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Apr 22, 2013 14:43 |  #6

gasrocks wrote in post #15855351 (external link)
What 400/4 are you talking about? Canon does not make one.

Yes they "DO". :)


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wdh777
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Apr 22, 2013 15:05 as a reply to  @ Dawicka2's post |  #7

Yes it was the DO on the B&H page and the 200-400 f4. Mostly sports photography, soccer, baseball, swimming.




  
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Talley
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Apr 22, 2013 16:04 |  #8

wdh777 wrote in post #15855584 (external link)
Yes it was the DO on the B&H page and the 200-400 f4. Mostly sports photography, soccer, baseball, swimming.

My advice is 2.8. You will need all the shutter you can get. When the light is low the difference between 1/320 and 1/640 makes a difference.


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CyberDyneSystems
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Apr 22, 2013 16:16 |  #9

gasrocks wrote in post #15855351 (external link)
What 400/4 are you talking about? Canon does not make one.....

Dawicka2 wrote:
Yes they "DO".

Love it!

The DO is like half the weight :)


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gasrocks
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Apr 22, 2013 18:10 |  #10

Sorry, forgot about the DO.


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WilliamC
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Apr 23, 2013 06:09 |  #11

I have the 400mm f/4 DO which I adore, I'm sure the 2.8 would be superior BUT I would never take it out of the house, it's just too big and heavy for my uses whereas the f/4 goes with me regularly without any grief at all.


William
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primoz
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Apr 23, 2013 06:59 |  #12

Nowadays yes it's worth. Current 400/2.8 is really light (more in old 500/4 range, which means you can work from hand), while old one was extremely heavy, and more or less useless for everything but sport, where you can bring your roller on sidelines. As soon as you needed to carry that beast it was just too much to bother, and 400/4 DO was perfect option. But then again, at that time prices of 400/2.8 and 400/4 DO were more or less same.
But it all depends what you need this lens for. For shooting sport under lights, 1 stop will make huge difference. For shooting sport outdoor during day, f4.0 is no big deal (afterall I, and everyone else, easily manage to do everything with 500 and 600mm lenses which are all f4.0).
As far as new 200-400 lense goes, I was not really so impressed when I had it for day back in February (when CPS had it on skiing World championships). Sure zoom is nice, built in converter is on one side ok, but then again it really doesn't cost much to have converter in pocket. And I'm scared to even think what will be price of this lens once it comes out officially.


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bobbyz
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Apr 23, 2013 09:08 |  #13

New f2.8 IS II.


5dmk3, 35L, 85L II, 300mm f2.8 IS I, 400mm f5.6
Fuji XT-1, 14mm f2.8, 23mm f1.4, 35mm f1.4, 56mm f1.2, 90mm f2, 50-140mm f2.8

  
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gocolts
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Apr 23, 2013 12:47 |  #14

WilliamC wrote in post #15857718 (external link)
I have the 400mm f/4 DO which I adore, I'm sure the 2.8 would be superior BUT I would never take it out of the house, it's just too big and heavy for my uses whereas the f/4 goes with me regularly without any grief at all.

I agree about the 400mm DO. Funny you also have the lightweight 70-300L and 7D. This is the same 2 lens combo I throw in my hiking backpack with my 7D when I'm out and about. Great lightweight combo.




  
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400 f4.0 vs 400 f2.8
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