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CanonExtender EF 1.4X III
 
4.7

(based on 286 reviews)

Ratings Distribution

  • 5 Stars

     

    (218)

  • 4 Stars

     

    (59)

  • 3 Stars

     

    (6)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (2)

98%

of respondents would recommend this to a friend.

Pros

  • Strong construction (182)
  • Easily interchangeable (169)
  • Fast / accurate auto-focus (160)
  • Lightweight (145)
  • Consistent output (134)

Cons

  • Poor in low light (20)
  • Slow focus (9)
  • Heavy (5)
  • Blurry focus (4)
  • Price (4)

Best Uses

  • Wildlife photos (225)
  • Sports/action (149)
  • Landscape/scenery (89)
  • Weddings (22)
  • Macro photography (14)
    • Reviewer Profile:
    • Photo enthusiast (123), Semi-pro photographer (90), Pro photographer (47), Casual photographer (8), Photography student (6)
    • Was this a gift?:
    • No (252), Yes (11)

Most Liked Positive Review

 

Nice and sharp !!

Work very well with my 70-200 f4 L and my 7D with a magnification of 1.6 to 280 mm
I lose nothing in image quality as it can be perceptible. At 5.6...Read complete review

Work very well with my 70-200 f4 L and my 7D with a magnification of 1.6 to 280 mm
I lose nothing in image quality as it can be perceptible. At 5.6 and a focal that it is even sharper. Uses for birds and photography fox and I am extremely satisfied.
But only compatible with the Series L, not all lens.
Also very useful when traveling.
Even though it is a bit expensive but it is very good quality. You pay for what you have!
A must to have!!
4 Start because it's not compatible with all lenses
You won't regret.

Look the picture at 280 mm, F8, 1/500 iso 200
No modification could be at 5.6 too,and it's not my best one!

VS

Most Liked Negative Review

 

Not What I Needed

I wanted to extend the range of my Canon 100-400mm lens. The extender did that well. However, on this lens the extender disables the autofocus making it very difficult to focus on...Read complete review

I wanted to extend the range of my Canon 100-400mm lens. The extender did that well. However, on this lens the extender disables the autofocus making it very difficult to focus on moving objects. Even when photographing still objects, it is difficult. In addition, the extender reduces the clarity of the photographs. I could get a few decent pictures, but tack sharp never happened. If someone has a smaller lens, this might be a great product, but for me it just didn't work out. I returned the item.

Reviewed by 286 customers

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Displaying reviews 1-20

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5.0

It Works

By John

from Vineland, NJ

About Me Casual Photographer

Verified Buyer

Pros

  • Fast / accurate auto-focus

Cons

    Best Uses

    • Wildlife Photos

    Comments about Canon Extender EF 1.4X III:

    Use it with my new 100-400 mm lens works with center point focus. My camera is a canon 7D mark ii

    • Was this a gift?:
    • No

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    5.0

    Nice

    By eo

    from St Petersburg, Fl

    About Me Photo Enthusiast

    Verified Buyer

    Pros

    • Easily Interchangeable
    • Strong Construction

    Cons

      Best Uses

        Comments about Canon Extender EF 1.4X III:

        Does what it says it will do.

        • Was this a gift?:
        • No

        Share this review

         
        5.0

        Excellent improvement

        By The Wizard

        from Seattle

        About Me Semi-pro Photographer

        Verified Buyer

        Pros

        • Consistent Output
        • Fast / accurate auto-focus
        • Strong Construction

        Cons

          Best Uses

          • Wildlife Photos

          Comments about Canon Extender EF 1.4X III:

          Definite improvement over 1.4x II version. When used with the second generation super telephoto's minimal drop off in IQ, barely notice increase in focus speed.

          • Was this a gift?:
          • No

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          4.0

          First time Extender User

          By DSW

          from Cape May Point, NJ

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Durable
          • Easily Interchangeable
          • Rugged
          • Strong Construction

          Cons

          • Extends While Walking

          Best Uses

          • Wildlife Photos

          Comments about Canon Extender EF 1.4X III:

          Images sharp
          Like the added reach for birding.
          Great for ducks and shorebirds that are not moving quickly.
          Need to upgrade your Canon Firmware on camera in order to use automatic focus with extender at f8 and slower. Haven't tried this yet.
          Heavy together with long lens

          • Was this a gift?:
          • No

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          4.0

          Great accessory

          By Joe

          from Columbia, SC

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Consistent Output
          • Durable
          • Fast / accurate auto-focus
          • Lightweight

          Cons

            Best Uses

            • Landscape/Scenery
            • Sports/Action
            • Wildlife Photos

            Comments about Canon Extender EF 1.4X III:

            It really works well with my Canon 100-400 mm l lens. The carrying pouch makes it easier to keep it clean. For the investment, it makes up for the price of a very expensive lens longer than the 400 mm end of the lens.

            • Was this a gift?:
            • No

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            5.0

            Most Dependable And Trusted Souce

            By barb j melton

            from Mathews, Virginia

            About Me Photo Enthusiast

            Verified Buyer

            Pros

            • Consistent Output
            • Durable
            • Easily Interchangeable
            • Fast / accurate auto-focus
            • Lightweight
            • Strong Construction

            Cons

            • Poor in Low Light

            Best Uses

            • Sports/Action
            • Wildlife Photos

            Comments about Canon Extender EF 1.4X III:

            I use the 1.4X Extender with my 400 mm Lens for shooting wildlife; mostly Bald eaagles in flight.. The extender does not distort my photos andd works well in AF with my 5D Mark III... I have nothing negative to say about this extender, except you cannot set an f stop below f8.. A great addition to my camera bag.

            • Was this a gift?:
            • No

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            (1 of 1 customers found this review helpful)

             
            4.0

            Good but expensive

            By Flying Fish

            from Nantucket, MA

            About Me Photo Enthusiast

            Verified Buyer

            Pros

            • Easily Interchangeable
            • Esp Good With V Ii Teles
            • Rugged
            • Strong Construction

            Cons

            • Expensive
            • Heavy
            • No Good With Ef-s Lenses

            Best Uses

            • Wildlife Photos

            Comments about Canon Extender EF 1.4X III:

            I use this 1.4 X TC III to gain extra reach with my Canon 100-400 f/4.5-5.6L IS II lens. It turns the lens into a 140-560 mm f/6.3 (approx) - f/8 lens. I lose a little sharpness and contrast with the TC but it's still pretty decent. The autofocus also slows a little but not much. It also adds a bit of weight. It probably is the best TC available for this lens. and also the most expensive! Note that unless your camera can autofocus with a lens as slow as f/8, you won't be able to use autofocus. But it's way cheaper than buying a Canon 600 mm lens, and the image quality with the Canon 100-400 seems to be about as good at 560 mm as the Sigma or Tamron zooms are at that focal length.

            • Was this a gift?:
            • No

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            5.0

            Worth every penny

            By JP

            from mid south USA

            About Me Semi-pro Photographer

            Verified Buyer

            Pros

            • Consistent Output
            • Durable
            • Easily Interchangeable
            • Fast / accurate auto-focus
            • Nice Bokeh
            • Rugged
            • Strong Construction

            Cons

            • Heavy

            Best Uses

            • Sports/Action

            Comments about Canon Extender EF 1.4X III:

            I use the extender on a Canon 100-400 lens. My only comments are why did I wait so long to purchase this; and why did I stick with my other extender for so long when the quality just wasn't consistent. The only problem I have is that because of the extra 8 ounces, I can no longer hand hold even in bright light.

            • Was this a gift?:
            • No

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            5.0

            Yes, I would recommend this to a friend

            By egg master

            from New york Knew York

            About Me Pro Photographer

            Verified Buyer

            Pros

            • Durable
            • Fast / accurate auto-focus
            • Lightweight
            • Strong Construction

            Cons

              Best Uses

              • Wildlife Photos

              Comments about Canon Extender EF 1.4X III:

              My recent purchase of a Canon 7D Mark II ~APS-C (1.6x Crop Factor)and Canon 400mm f/5.6 L lens
              I bought this to pair with the Canon 400mm f/5.6 L lens and it is terrific and that gets me out to 896mm with my APS-C (1.6x Crop Factor)sensor.
              The extender still makes for a comfortable hand carry package

              • Was this a gift?:
              • No

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              4.0

              Great product, but a little expensive

              By Bigdad

              from Dallas TX

              Comments about Canon Extender EF 1.4X III:

              This things is great for that little extra zoom.

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              (3 of 3 customers found this review helpful)

               
              5.0

              Great accessory!

              By Sandy

              from Seminole, FL

              About Me Semi-pro Photographer

              Verified Buyer

              Pros

              • Easily Interchangeable
              • Fast / accurate auto-focus
              • Lightweight
              • Strong Construction

              Cons

                Best Uses

                • Sports/Action
                • Wildlife Photos

                Comments about Canon Extender EF 1.4X III:

                I was quite disappointed that I could not use one of these with my Canon 70D with my Canon 100-400mm L lens, however all of that changed with my recent purchase of a Canon 7D Mark II which in fact will allow AF with that lens. I have been getting tack sharp results at 400mm with the Canon lens and although I have seen reports of diminished sharpness with extenders, that is simply not the case with this extender. I was very pleased after my first day in the field to discover that shots taken at 560mm were tack sharp and I was able to quickly lock on to moving targets such as birds in flight. I this extender as a must have in everyone's bag! In addition, I hand carry my rig with just a wrist strap (Black Rapid) for security and the addition of the extender still makes for a comfortable hand carry package that gets me out to 560 mm with my APS-C sensor.

                • Was this a gift?:
                • No

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                4.0

                Better than version II

                By ChrisL

                from New York, NY

                About Me Pro Photographer

                Verified Buyer

                Pros

                • Consistent Output
                • Durable
                • Easily Interchangeable
                • Fast / accurate auto-focus
                • Lightweight
                • Rugged
                • Strong Construction

                Cons

                • Price

                Best Uses

                • Indoors/Low Light
                • Sports/Action
                • Video

                Comments about Canon Extender EF 1.4X III:

                I purchased the Extender EF 1.4X III to replaced version II. The sharpness is overall improved with excellent contrast and color. The only draw back is the steep price. I own two of these now so I don't have to keep swapping between the 70-200mm IS f/2.8L II and the 300mm f/2.8L II when I'm on assignment. I would have giving this product 5 stars if it is $ cheaper.

                • Was this a gift?:
                • No

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                5.0

                Great item

                By Phil

                from NC

                Comments about Canon Extender EF 1.4X III:

                I bought this to pair with the 300mm f/4 L and it is terrific.

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                5.0

                I LIKE IT!

                By Ross

                from Seattle, WA

                About Me Casual Photographer

                Verified Buyer

                Pros

                • Durable
                • Easily Interchangeable
                • Fast / accurate auto-focus
                • Lightweight
                • Nice Bokeh
                • Rugged
                • Strong Construction

                Cons

                  Best Uses

                  • Sports/Action
                  • Wildlife Photos

                  Comments about Canon Extender EF 1.4X III:

                  i have a 2X extender and found a good reason to have a 1.4 extender. I use these extenders for wildlife photos.

                  • Was this a gift?:
                  • No

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                  5.0

                  No reason not to have one of these.

                  By John

                  from Wayne County, PA

                  About Me Photo Enthusiast

                  Verified Buyer

                  Pros

                  • Consistent Output
                  • Easily Interchangeable

                  Cons

                    Best Uses

                    • Sports/Action
                    • Wildlife Photos

                    Comments about Canon Extender EF 1.4X III:

                    I use this extender frequently with my prime telephoto lenses. Produces excellent images.

                    • Was this a gift?:
                    • No

                    Share this review

                     
                    5.0

                    Good Product

                    By Jun

                    from Olathe, KS

                    About Me Photo Enthusiast

                    Verified Buyer

                    Pros

                    • Consistent Output
                    • Fast / accurate auto-focus
                    • Strong Construction

                    Cons

                      Best Uses

                      • Sports/Action
                      • Wildlife Photos

                      Comments about Canon Extender EF 1.4X III:

                      I works very well on my 600mm f/4 IS II

                      • Was this a gift?:
                      • No

                      Share this review

                      (1 of 1 customers found this review helpful)

                       
                      5.0

                      Does exactly what it is suppose to do.

                      By Steve

                      from Tulalip, WA

                      About Me Photo Enthusiast

                      Verified Buyer

                      Pros

                      • Strong Construction

                      Cons

                      • Pricey

                      Best Uses

                      • Wildlife Photos

                      Comments about Canon Extender EF 1.4X III:

                      Auto focus with 100-400 4.5-5.6L & 5D MK III works fine after firmware update.

                      • Was this a gift?:
                      • No

                      Share this review

                       
                      5.0

                      Excellent Product

                      By AussieMom

                      from Prescott, AZ

                      About Me Semi-pro Photographer

                      Verified Buyer

                      Pros

                      • Easily Interchangeable
                      • Fast / accurate auto-focus
                      • Lightweight
                      • Strong Construction

                      Cons

                        Best Uses

                        • Landscape/Scenery
                        • Wildlife Photos

                        Comments about Canon Extender EF 1.4X III:

                        I use this extender with my 70-200mm lens. It is a great addition to my gear bag, particularly when I have to be selective on which lens I am carrying because of weight. I have not noticed any softening of the image quality when I use this product.

                        • Was this a gift?:
                        • No

                        Share this review

                         
                        5.0

                        perfect match

                        By Chris

                        from Redondo Beach, CA

                        About Me Pro Photographer

                        Verified Buyer

                        Pros

                        • Consistent Output
                        • Easily Interchangeable
                        • Fast / accurate auto-focus
                        • Lightweight

                        Cons

                          Best Uses

                          • Sports/Action
                          • Weddings/Events
                          • Wildlife Photos

                          Comments about Canon Extender EF 1.4X III:

                          The 1.4x III is what I was looking for to give my a bit more flexibility to use with my 70-200 2.8 IS lens, esp when i travel an want/need to keep my bags light leaving the big lenses behind..

                          Great piece which complements what I have for a fair price..

                          • Was this a gift?:
                          • No

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                          5.0

                          Crisp Images and Flexibility

                          By Rob the Hiker

                          from Annapolis, MD

                          Comments about Canon Extender EF 1.4X III:

                          I had initially tried a 2x II EF Extender a couple years ago and returned it because the images were soft. After researching the 1.4x extender, I determined it should be better than the 2.0x. I haven't been disappointed. I use it primarily on my Canon 100-400mm telephoto and find it improves my reach dramatically. A little image degradation is evident, but images are very good quality. The extender does not engage autofocus on my telephoto, but I generally manually focus anyway. In the end, I have to do less cropping, and cropping degrades image quality more than the extender, so for me, it is a good purchase and an economical one at that. I know from my research it will function even better on prime long lenses, and I intend to add one to my arsenal in the future. I also believe it works better on my full frame Canon EOS-6D than on my crop sensor Canon, though neither produce unacceptable images with the extender. If asked I would endorse the extender to any of my Canon friends.

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