Canon 2x EF Extender III (Teleconverter)

by Canon
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ITEM# 15044090
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      Included Warranty: 1 year Distributor
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    Details

    ITEM#: 15044090

    The Canon Extender EF 2X III is designed for select Canon L-series telephoto lenses. The extender is perfect for photojournalists, nature and sports photographers who need to get close to distant and challenging subjects. The Extender EF 2x III increases the focal length of a lens by a factor of 2x while still delivering superb image quality. To ensure the best possible image quality in all shooting conditions, it also combines enhanced environmental protection, redesigned optics and improved data communication between lens and camera.

    • Magnification: 2.0x
    • Lens Elements/Groups: 9/5
    • Length: 2.1" (52.7mm)
    • Diameter: 2.8" (72.0mm)
    • Weight: 11.46 oz
    • Model: 4410B002

    Specs

    Features
    Condition New
    Dimensions See Details
    Warranty 1 year Distributor
    Model Number 4410B002
    Country of Origin Japan

    Customer Reviews


    5 Stars
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    • Most Helpful

    • Exceede my Expectations
      Reviewed at http://www.Canon.com

      I acquired this extender to add length to my new 100-400mm L MII lens. I use it on my 7D. I knew from reading my manuals that AF is not possible so that is not an issue as I educated myself in this regard. But what images, I really cannot find fault with the image quality of this extender. It is like the lens and extender were designed for each other. Very sharp. Now obviously on very distant shots there is degradation but again I know this is due more to atmospherics than the lens. On shots within 1/2 mile absolutely incredible I recommend this extender for those who understand the AF limitations.

      Read More
      Architect1776 Mar 22, 2017
    • Most Recent

    • Perfect Compliment to 135L
      Reviewed at http://www.Canon.com

      I am using this 2X extender with my 135L, and I must say that after a little micro adjustment of +5, this is incredible! I now have a 270mm f/4 lens, and the images are very, very nice. Wide open (f/4), there is a little softness or dreamy effect, but stopped down to f/5.6, images are extremely sharp and contrasty. Yes, this will enhance any flaw in your lens, but with higher quality lenses, should not be much of an issue. AF is fast, I have not had any problems with its speed or accuracy. Overall, I am extremely pleased with this extender.

      Read More
      Daniel Apr 22, 2017
    • Exceede my Expectations
      Reviewed at http://www.Canon.com

      I acquired this extender to add length to my new 100-400mm L MII lens. I use it on my 7D. I knew from reading my manuals that AF is not possible so that is not an issue as I educated myself in this regard. But what images, I really cannot find fault with the image quality of this extender. It is like the lens and extender were designed for each other. Very sharp. Now obviously on very distant shots there is degradation but again I know this is due more to atmospherics than the lens. On shots within 1/2 mile absolutely incredible I recommend this extender for those who understand the AF limitations.

      Read More
      Architect1776 Mar 22, 2017
    • Works as expected on my Canon 5D miii

      Do not expect it to fit every lens. However, it works great with my 70-200 f2.8 lens, cuts the f-stop in half - nice to be able to zoom up to 400.

      Read More
      Lawrence R. Nov 29, 2016
    • Auto focus doesn't work :-(
      Reviewed at http://www.Canon.com

      I got this for my EF 100-400 IS lens and it won't autofocus? On the documentation is says it works with the lens Well it works you just have to manual focus and my eyes are like they used to be so it's basically worthless. I just picked up a new 7D mk 2 but haven't tried it with that, I hope it does otherwise I wasted a bunch of money on it. If I knew that it wouldn't auto focus I would have bought a knock off for half the price that does the same thing. Not a happy camper.

      Read More
      SignGuy Apr 18, 2016
    • Autofocus does't work with my canon lens!
      Reviewed at http://www.Canon.com

      I bought mine several years ago and never got chance to use it. I just got a new camera and wanted to try it, but I am so disappointed, the autofocus doesn't work at all when used with EF100-400mm f/4.5-5.6 L IS USM on 5ds r.

      Read More
      Traveler Apr 1, 2016

    Questions & Answers

    • Q:

      "Does this extender only work on canon L lenses? "

      Have an Answer? Be the first to answer this question!
    • Q:

      "Will this work on my EF 75-300mm 1:4-5.6 Canon Rebel T3?"

      • A:

        Hello stanjo, yes, that camera is compatible with all EF lenses including this one. Thank you for shopping with us!

    • Q:

      "I have a Canon EOS 7D. I am using a Tamron AF 18-200mm F/3.5-6.3 lens. Will this work well with this set up?"

      • A:

        Hello graceyjoy, This converter is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L. Additionally, please see the lens and/or camera body manual for full autofocus compatibility information with the Extender EF 2X III. Thanks for shopping with us! -Matthew P.

    • Q:

      "Will this accomadate IS Lenses?"

      • A:

        Yes this will accommodate IS lenses.

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