First Shots w/ 70-200 IS 2.8 & 2X Extender

Discussion in 'Photography Beginners' Forum' started by z06-jim, May 20, 2009.

  1. z06-jim

    z06-jim TPF Noob!

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    These were taken in my backyard while testing out my new Canon 2X Extender for the first time on my 70-200 IS 2.8 lens & 5DII.
    I'm aware that the originals aren't composed worth a crap.
    What I would like to know is if this about the normal IQ for this particular combo?
    3 different shots comparing the original size & heavily cropped image
    F5.6 @ 400 ISO....can't remember shutter speed...Hand held at max. 400mm focal range.
    All comments appreciatedÂ….

    [​IMG]

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    Check out the fly on top of his head...
    [​IMG]

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    I never knew geese had teeth!!!
    [​IMG]


     
    Last edited: May 21, 2009
  2. z06-jim

    z06-jim TPF Noob!

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    :popcorn:
     
  3. adamwilliamking

    adamwilliamking TPF Noob!

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    not sure exactly what you mean but if you're talking about the image quality drop off than yes there is quite a loss of IQ with the 70-200 & 2.0TC combo

    edit: on second thought, to the point where i would never see myself even touching "400mm"
    think of it this way they sell the 400mm for like 5 grand..

    so a cheap TC wont give you that.
     
  4. Phranquey

    Phranquey TPF Noob!

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    I have the Nikon 70-200 & tried out a 2x TC once and hated what it did to the image quality. The only TC I will put on is a 1.4x, and that's if I REALLY need it, which doesn't happen very often. I find that I usually get a better image with the straight lens and deeper cropping than with a TC.

    To get the up-close shots, especially with birds, I broke down and bought an older manual focus 500mm f/4, which I picked up for not much more than I spent on the 70-200, and the IQ is outstanding, even for an older lens.
     
  5. Montana

    Montana TPF Noob!

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    In my experience, the 2x is worthless on the 70-200 and I hate to use it on my 600 f/4. There is just too much image quality loss. The 1.4 works great on both of my lenses, but the 2x is a waste of money IMHO. If you are happy with it, that is all that matters. If I needed a 400mm lens often enough to warrent getting a 2x teleconverter, then I would start saving and go straight for a 400mm prime lens. There is no compairison.

    How much did you boost color/contrast? My 2x makes my images look more dull and flat then yours. It could be the 5D mkII, but I am still curious. The colors look good and that suprises me.

    Derrick
     
  6. z06-jim

    z06-jim TPF Noob!

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  7. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    I have used this combo in the past and your getting better results than I did - though your shooting in far better lighting and the 5DM2 is making a big difference to the images you get (when compared to my 400D).

    You could try stopping down to around f8 and maybe risk a little higher ISO and some flash to keep the exposure good and that should help keep a little more of the sharpness -- here is my previous test of this combo:
    little birds photos test - a set on Flickr
     
  8. z06-jim

    z06-jim TPF Noob!

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    Thanks....I had read a few negative comments on using the 2X extender with this particular lens before purchasing it...hopefully it will come in handy when I make the upgrade to one of the larger Canon telephoto primes in the future...
     
    Last edited: May 22, 2009
  9. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    From what I have read it works very well with the 300mm f2.8 lens - with a 1.4TC as well it give an outstanding 300mm, strong 420mm and a good 600mm lens - all of which are handholdable (IS helps as well) and not backbreaking.
     
  10. inTempus

    inTempus TPF Noob!

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    It's hard to tell from such small images, but from what I see here the 2x looks pretty darn good given how much money you saved buying a 400mm prime.

    I just bought a 300mm f/4 prime, it's a great lens for the money ($1,100). Stick a 1.4x on that and you should be golden at 420mm at f/5.6. That's my plan.
     
  11. z06-jim

    z06-jim TPF Noob!

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    Thanks....got my eye on that 400 prime maybe later down the road....
    I shot these in Raw and did quite a bit of PP on these images...they were also quite a bit flat/duller as you stated about yours....
     
  12. TamiyaGuy

    TamiyaGuy No longer a newbie, moving up!

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    Those looks like some pretty good shots, in my opinion, although the one of the goose has an artifical-looking sky. I would also say that, from what I've tried, teleconverters are generally only used when they have to be used.

    Still, nice pics!
     

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