Help. Canon 100-400mm with 2x Extender II

Discussion in 'Photo Assignments & Technical Challenges' started by neogfx, Jun 7, 2008.

  1. neogfx

    neogfx TPF Noob!

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    Hi guys, I was wondering if anybody could help me out. I have the Canon EF 100-400mm f/4.5-5.6L IS USM lens with a 2x Extender II. Now, I know with the 1.4 Extender that if you cover up three of the contact pins that connect the Extender to the 100-400 lens then you can use autofocus with the Extender, I was just wondering if any of you knew if you could do a similar thing with the 2x?
     
  2. usayit

    usayit No longer a newbie, moving up!

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    Won't work too well... Maybe.. just maybe if you were using a 1 series body.
     
  3. neogfx

    neogfx TPF Noob!

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    No, unfortunately I'm using the 350D. I'm getting the 40D over the summer, but I'm a student so can't afford a 1 series at the moment :(
    I know that the 1.4 is quite effective on a 400D body, but I can't even find reference to using the 2x with autofocus.
    Of course the whole problem would be solved if I could afford the nice Canon 600mm or the new 800mm...... *dreams happy dreams*
     

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