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Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs

B&H # KE2X7DGXS MFR # MC7-AF2.0DGX-MS
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Product Highlights

  • For Use with Sony Digital SLRs
  • Mult-Coated Lens Elements
  • Integrated Circuitry
  • Doubles Focal Length of Lens

You Pay: $139.90

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The Kenko TelePlus MC7 AF 2.0X DGX Teleconverter (also known as a tele-extender) gives you the dramatic effect of doubling the focal length of your lens by 2x, and will cut back the amount of light by 4x (2 f/stops). The MC7 features a 7-element, 4-group design with multi-coated lens elements, and fully automatic diaphragm coupling. With the Kenko TelePlus MC7 DGX your prime lens' depth of field is reduced by 1/2, but retains the prime minimum focusing distance. Using a 2x teleconverter with a 300mm lens will effectively increase the focal length to 600mm. A lens set to f/2.8 will now be f/5.6.

The MC7 AF 2.0X DGX converter has genuine Gated Array IC (Integrated Circuitry). This means that not only the converter's own unique data but all data sent from the camera body provides full exposure metering and linkage for electronic flash photography.

Teleconverters are not recommended for lenses wider than 50mm, e.g. 28-105mm. However, full AF operation is only possible with lenses with open aperture of f/2.8 or brighter. Please be aware that AF will work properly only if there is enough light and contrast on the subject to activate the camera's AF sensors. Manual focusing is recommended when using lenses with smaller open f-stop value than those given above.

The DGX TelePlus converters have updated circuitry to record exif data more accurately. In the exif exposure data (meta-data recorded with a digital picture) DGX converters record the equivalent aperture and focal length of the lens setting plus teleconverter. Optically and mechanically they are identical to the prior high-quality DG series converters.
Magnification 2.0X
Exposure magnification: Approx. 4 times
Minimum Focus Distance Same as prime lens
Lens Diaphragm Fully automatic coupling
Lens Elements/Groups 7/4
Depth-of-Field 1/2 of prime lens
Lens Coating Digital multi coating
Length Approx. 1.4" (35.7mm)
Weight 5.5 oz (157 g)
Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs
  • Front & Rear Caps
  • Pouch
  • 1-Year Manufacturer's Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    KenkoTelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs
     
    4.0

    (based on 18 reviews)

    Ratings Distribution

    • 5 Stars

       

      (7)

    • 4 Stars

       

      (6)

    • 3 Stars

       

      (4)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (1)

    88%

    of respondents would recommend this to a friend.

    Pros

    • Great picture quality (6)
    • Lightweight (5)
    • Compact (4)
    • Durable (4)
    • Easily interchangeable (4)

    Cons

      Best Uses

      • Wildlife photos (11)
      • Landscape/scenery (6)
      • Sports/action (5)
      • Weddings (3)
        • Reviewer Profile:
        • Photo enthusiast (9), Semi-pro photographer (6)
        • Was this a gift?:
        • No (15)

      Most Liked Positive Review

       

      Good Job

      So far this extender has done everything I need done, it makes a nice picture and I can use it with all five lenses that I have. It does make a sound when I...Read complete review

      So far this extender has done everything I need done, it makes a nice picture and I can use it with all five lenses that I have. It does make a sound when I focus and sometimes the focus ring seems a little tight. But overall it works great. I have a couple pictures, but you really can't see how small the subject is...

      VS

      Most Liked Negative Review

       

      Probably worth the price

      I got this teleconverter to increase the magnification of my 70-300 Sony G lens since the Sony teleconverter WILL NOT WORK with that lens. It does the job, which for me is to...Read complete review

      I got this teleconverter to increase the magnification of my 70-300 Sony G lens since the Sony teleconverter WILL NOT WORK with that lens. It does the job, which for me is to get adequate photos of birds to aid in the identification of the bird. If you are after crisp detail, this is not for you. Also, you will have to go to manual focus. My camera tries to focus (A-57 camera) but since the f-stop is decreased 2 stops there is inadequate light for auto focus even in full sun.

      Reviewed by 18 customers

      Sort by

      Displaying reviews 1-18

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      4.0

      Works with Sony A65 SLT and Celestron spotting scope.

      By SOTI

      from Roselle, NJ

      About Me Semi-pro Photographer

      Verified Reviewer

      Pros

      • Great Picture Quality

      Cons

        Best Uses

        • Wildlife Photos

        Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

        I always wanted to get a closer view of the moon's surface using my camera and spotting scope. The MC7 AF 2.0 DGX made the deal.

        • Was this a gift?:
        • No

        Share this review

         
        5.0

        Gran poder de amplificación

        By Astrocucho

        from Toluca Mexico

        About Me Photo Enthusiast

        Verified Buyer

        Pros

        • Compact
        • Easy to Use
        • Great Picture Quality

        Cons

          Best Uses

          • Astronomy
          • Landscape/Scenery
          • Travel

          Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

          Mi interés por el teleconvertidor era para lograr mejores acercamientos al Sol o a la Luna y captura de paisajes. Tengo la lente SAL75300 y con esta lente logro los 600mm en mi Sony Alfa 55. Muestro una comparación de la Luna con y sin el teleconvertidor. Las fotos fueron tomadas sin ayuda de tripié.

          • Was this a gift?:
          • No

          Share this review

          (1 of 1 customers found this review helpful)

           
          3.0

          Probably worth the price

          By RayB

          from Denver, CO

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Works With Most Lenses

          Cons

          • Poor Image Quality

          Best Uses

          • Wildlife Photos

          Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

          I got this teleconverter to increase the magnification of my 70-300 Sony G lens since the Sony teleconverter WILL NOT WORK with that lens. It does the job, which for me is to get adequate photos of birds to aid in the identification of the bird. If you are after crisp detail, this is not for you. Also, you will have to go to manual focus. My camera tries to focus (A-57 camera) but since the f-stop is decreased 2 stops there is inadequate light for auto focus even in full sun.

          • Was this a gift?:
          • No

          Share this review

          (1 of 1 customers found this review helpful)

           
          4.0

          Good Job

          By Old Bill

          from McMinnville Tn

          Verified Buyer

          Pros

          • Compact
          • Durable
          • Easy to Use
          • Great Picture Quality

          Cons

          • Sound When Focusing

          Best Uses

          • Landscape/Scenery
          • Wildlife Photos

          Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

          So far this extender has done everything I need done, it makes a nice picture and I can use it with all five lenses that I have. It does make a sound when I focus and sometimes the focus ring seems a little tight. But overall it works great. I have a couple pictures, but you really can't see how small the subject is...

          • Was this a gift?:
          • No

          Share this review

          (1 of 1 customers found this review helpful)

           
          4.0

          Good Product

          By Tony

          from Everett,Wa.

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Compact
          • Durable
          • Easy to Use
          • Great Picture Quality

          Cons

            Best Uses

            • Landscape/Scenery
            • Wildlife Photos

            Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

            The Kenko Teleconverter really adds versitility to my New Tamron 70-200 f/2.8 lens.Auto focus works very well when using the teleconverter and the f/2.8 lens.As expected the auto focus was non-existant wiyh my slower lenses.All exif information is accurate when using the teleconverter.There is some chromatic abberation evident in the longer focal lengths but only visible at 100%.

            • Was this a gift?:
            • No

            Share this review

            (3 of 3 customers found this review helpful)

             
            5.0

            No problems with Sony A65

            By Tricky Dicky

            from West Coast

            About Me Photo Enthusiast

            Verified Buyer

            Pros

            • Compact
            • Durable
            • Great Picture Quality

            Cons

              Best Uses

              • Family Photos
              • Landscape/Scenery
              • Sports/Action
              • Travel
              • Underwater
              • Video
              • Weddings/Events
              • Wildlife Photos

              Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

              I have only basic set of lenses, and with this teleconverter is (almost) like having 2x different choices.

              • Was this a gift?:
              • No

              Share this review

              (1 of 1 customers found this review helpful)

               
              5.0

              Works

              By Huntsvilhawk

              from Keller,Texas

              About Me Semi-pro Photographer

              Verified Reviewer

              Pros

              • Good picture quality

              Cons

              • None

              Best Uses

              • Sportsaction
              • Wildlife

              Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

              I plan to use for outdoor sporting events and nature photography. My initial shots using the converter with my quantaray 70m-300m produced very pleasing shots. I was very impressed with the auto focus operation it was not an issue as has been reported by others. I am completely satisfied.

              • Was this a gift?:
              • No

              Share this review

               
              1.0

              Doesn't work with DSLR-A700 or SLT-A77.

              By Sparky

              from Boston MA

              About Me Photo Enthusiast

              Pros

                Cons

                  Best Uses

                  • Landscape/Scenery

                  Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                  The camera fails to recognize the 2x conversion causing autofocus not to work and exposure to be wrong. This is true with Sony and Tamron lenses of F2.8 or F1.4. Returned the first one for replacement and had the same issue with the second.

                  However, image quality is great when manually focusing.

                  • Was this a gift?:
                  • No

                  Share this review

                   
                  3.0

                  Does it work with tamron 70-200?

                  By Lucas L8

                  from Campinas

                  About Me Semi-pro Photographer

                  Verified Buyer

                  Pros

                  • Lightweight

                  Cons

                    Best Uses

                    • Wildlife Photos

                    Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                    Didn´t work with mine tamron 70-200mm 2.8. Works with the sony 70-300mm though. Little noisy but does what it says

                    • Was this a gift?:
                    • No

                    Share this review

                    (2 of 2 customers found this review helpful)

                     
                    4.0

                    TelePlus MC7 AF 2x DGX Teleconverter

                    By Phil

                    from Panama

                    About Me Photo Enthusiast

                    Verified Buyer

                    Pros

                    • Easily Interchangeable
                    • Lightweight
                    • Strong Construction

                    Cons

                    • Poor in Low Light

                    Best Uses

                    • Landscape/Scenery
                    • Sports/Action
                    • Wildlife Photos

                    Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                    Built with 8 electrical pins for all data to pass through, not just AF. At least 2 f stops lost so depending on the lens, AF may not work but functional with MF. Great for the price.

                    • Was this a gift?:
                    • No

                    Share this review

                    (1 of 4 customers found this review helpful)

                     
                    3.0

                    Blurry focus, lacks sharpness

                    By Lahari

                    from Columbia, MD

                    About Me Photo Enthusiast

                    Verified Buyer

                    Pros

                    • Easily Interchangeable

                    Cons

                    • Blurry Focus
                    • Lens Creep
                    • Poor in Low Light
                    • Weak Casing

                    Best Uses

                    • Wildlife Photos

                    Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                    It does what it has to, zooms awesomely. But lacks sharpness. Most of the clicks regardless of low light or more light, the pic lacks sharpness and the focus is reduced too. Not every picture you think is focused is actually focused.

                    But the zoom is very appreciative. If you get the perfect focus, the perfect sharpness, the pic is worth the capture.

                    • Was this a gift?:
                    • No

                    Share this review

                    (1 of 4 customers found this review helpful)

                     
                    3.0

                    Good but not great

                    By lahari

                    from Columbia, MD

                    About Me Semi-pro Photographer

                    Pros

                    • Consistent Output
                    • Great on manual focus

                    Cons

                    • Slow Focus
                    • Unusual sound while focus

                    Best Uses

                      Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                      The quality of the picture is very good. But the attachment gives a very rusty creeeeeeek sound. Yes, you hear it right, when it focuses it gives a very usual sound like the one we get when we move a rusty object. The focus is not very smooth. But the quality of the picture gives the satisfaction of buying it. My sony 18-55 SAM lens does not fit the teleconverter though it says it is compatible.

                      Share this review

                      (2 of 2 customers found this review helpful)

                       
                      5.0

                      Does what is expected

                      By Bob

                      from Kansas

                      About Me Semi-pro Photographer

                      Verified Buyer

                      Pros

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

                      Cons

                        Best Uses

                        • Portraits
                        • Weddings/Events

                        Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                        Use it with a Sony 28-70 f2.8 lens and works great.

                        • Was this a gift?:
                        • No

                        Share this review

                        (5 of 6 customers found this review helpful)

                         
                        4.0

                        Handy and sharp!

                        By Randy Ennis

                        from Feeding Hills, MA

                        About Me Semi-pro Photographer

                        Verified Buyer

                        Pros

                        • Durable
                        • Lightweight
                        • Strong Construction

                        Cons

                          Best Uses

                          • Sports/Action
                          • Wildlife Photos

                          Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                          Use this mostly to extend the reach of my Tamron 70-200 2.8 for bird/wildlife photography of the smaller creatures. I was pleased to see that this converter retains very good center sharpness and good edge sharpness. All of the camera functions work properly (Sony A55V), and the brightness with a 2.8 lens is good enough for decent autofocus when shooting wildlife. Very happy with the purchase. The steel mount is smooth, and it seems to be a durable piece of equipment.

                          • Was this a gift?:
                          • No

                          Share this review

                          (5 of 5 customers found this review helpful)

                           
                          5.0

                          Great Teleconverter for Sony

                          By dr133

                          from Wichita Kansas

                          About Me Pro Photographer

                          Verified Buyer

                          Pros

                          • Fast / accurate auto-focus

                          Cons

                            Best Uses

                            • Weddings/Events
                            • Wildlife Photos

                            Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                            Used this to extend a 70 - 200 mm F2.8 Tamron to 400 mm. Still auto focuses and have not noticed any quality drop off.

                            • Was this a gift?:
                            • No

                            Share this review

                            (2 of 3 customers found this review helpful)

                             
                            5.0

                            Good deal

                            By maxbrooklyn99

                            from brooklyn

                            About Me Photo Enthusiast

                            Verified Buyer

                            Pros

                              Cons

                                Best Uses

                                  Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                                  Very happy with the product and the price. [...]

                                  • Was this a gift?:
                                  • Yes

                                  Share this review

                                  (3 of 3 customers found this review helpful)

                                   
                                  4.0

                                  Good Value

                                  By AzJeff2

                                  from Tucson, AZ

                                  About Me Photo Enthusiast

                                  Verified Buyer

                                  Pros

                                  • Consistent Output
                                  • Easily Interchangeable
                                  • Lightweight

                                  Cons

                                    Best Uses

                                    • Sports/Action
                                    • Wildlife Photos

                                    Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                                    This is a good way to extend a long lens. Its easy to use just remember to use it in manual focus.

                                    • Was this a gift?:
                                    • No

                                    Share this review

                                    (6 of 6 customers found this review helpful)

                                     
                                    5.0

                                    Excellent

                                    By Paul the Newbie

                                    from Kingston, NS

                                    Verified Buyer

                                    Pros

                                    • Ease of Use
                                    • price
                                    • Quality

                                    Cons

                                    • none

                                    Best Uses

                                    • Sports
                                    • Wildlife

                                    Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for Sony Alpha Digital SLRs:

                                    extends the focal length of my 55-200 mm lens enhancing my ability to get far better wildlife shots.
                                    only drawback you have to use manual focus at max focal length, but knew that before purcahsing

                                    Share this review

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