Canon 70-200 f4 vs. 70-200 f2.8

Discussion in 'Photography Equipment & Products' started by David84, Aug 21, 2009.

  1. David84

    David84 TPF Noob!

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    Hello all,

    For those of you who have shot with both, what circumstances would you really need the f2.8 instead of the f4? I typically do most of my shooting outside - whether landscape, people, etc. The only indoor shooting I do is typically of the kid - which is usually more like 18-50mm range....

    Also - this lens would be going on a 5d mkII sometime in the near future.

    Any advice is greatly appreciated!

    -David
     
  2. usayit

    usayit No longer a newbie, moving up!

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    f/2.8 for anything that is low light....
    f/4 as a walk around lens that is easy to pack...

    I personally would rather have the 100-400L and the 70-200 f/2.8L choosing between focal range and speed.
     
  3. astrostu

    astrostu I shoot for the stars

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    I think people generally say if you shoot much indoors, the f/2.8 is a necessity. For example, I was in a hotel a few months ago and they had lots of orchids around on tables. I wanted to get photos of them. But, it was incredibly low light, and I didn't have my speedlights with me to bounce off of walls. I had to shoot at f/1.4, ISO 400, and still 1/15sec to get anything.
     
  4. inTempus

    inTempus TPF Noob!

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    I'm done with f/4 lenses. It's f/2.8 or faster for me going forward. If you don't think you shoot in low light, you're purely a studio photographer. Even if you're a natural light shooter, you'll find yourself outside in less than ideal conditions needing something more than f/4 at ISO 1600.

    I also much prefer the creative options f/2.8 gives me.

    The f/4 is a nice lens, no doubt. But I wouldn't trade my f/2.8 for it even if you paid me.
     
  5. KmH

    KmH Helping photographers learn to fish Supporting Member

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    Plus there is the fact that most lenses perform best with a lens opening less than the maximum.

    So, if you have an f/2.8 and stop it down to to improve the sharpness you are still a full stop more open comparred to starting at f/4.
     
  6. Phranquey

    Phranquey TPF Noob!

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    Nobody's mentioned it yet, but even if you don't require the low-light speed, the f/2.8's are typically the better overall quality lenses. They tend to have the better build qualities, better glass, coatings, etc.
     
  7. Montana

    Montana TPF Noob!

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    And camera bodies (at less sub-pro) autofocus better with 2.8 and fast lenses. Some cross type autofocus sensors require fast glass.
     
  8. FrankLamont

    FrankLamont TPF Noob!

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    The f/2.8 IS version is also... quite nice... ;)
     
  9. usayit

    usayit No longer a newbie, moving up!

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    The key word is "most". The f/4L is very sharp (no idea about the IS version) even at wide open... some would even say slightly edging out the f/2.8L in certain situations.

    In my case, I look and love the Leica 50mm f/1L Noctilux but it isn't as sharp as the 50mm f/1.4 Summilux. The Canon 50mm /f1 is well known to under perform compared t the 50mm f/1.4.
     
  10. FrankLamont

    FrankLamont TPF Noob!

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    The f/4 version is very sharp...
     
  11. CxThree

    CxThree TPF Noob!

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    If I am going to a sporting event or some other outdoor event like the zoo or an amusement park, the F4 is my lens of choice. It's tack sharp, light, and smaller than the F2.8L IS. For a wedding or other indoor event, it's F2.8 or lower for me. That's when I get the 70-200 F2.8L IS lens out of the bag.
     
  12. David84

    David84 TPF Noob!

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    I appreciate everyones replies... The 2.8 is obviously more versatile in some situations, I was just trying to justify the cost difference. I think I'm persuaded... I'd shoot myself if I got a lens to find out I regretted it and wanted "the next step up"....

    Thanks again for all the informative replies!

    -David
     

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