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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 14 May 2007 (Monday) 18:34
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Newly made 100-400 sharper at long end?

 
flawlessly
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May 14, 2007 18:34 |  #1

Many new owners claim that 100-400 is sharper with newly made this year, is that ture? The only one thing prevent me owning this lens is soft at the long end and it isn't weather sealed.


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wcl4
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May 14, 2007 19:54 |  #2

I own a UT copy of this lens, and I find this lens sharp at 400. Granted it's not prime sharp nor is it as sharp as the 24-105, but I certainly would not call the images soft. I would best compare the results to the 70-200 2.8 IS (the f4 is sharper than the 2.8 IMO). I would bet a lot of the soft complaints come more as a result of bad long lens technique. I'd rather have the zoom versatility and IS over the 400 prime. Weather sealing - that's a different issue altogether.


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KenTT
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May 14, 2007 20:30 |  #3

I find it to be sharp enough at the 400mm end.

Here a full frame:

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Here is the 100% crop with some USM 0.3, 70%:

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Ken
Canon... 1Ds mk3 & 1D mk4 | EF300L f2.8 IS | EF 24-105L f4 IS | EF 70-200L f2.8 IS | EF 85L MkII | EF100L f2.8 Macro IS |EF 17-40L f4 IS | 3 x 580EX.

  
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S.Horton
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May 14, 2007 22:16 |  #4

Mine is sharp; I haven't been around POTN that long, but long enough to see the legend of softness be narrowed to user error almost all the time.

Grab it, if is doesn't work send it back. B&H is super-cool like that.


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Newly made 100-400 sharper at long end?
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
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