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Canon Extender EF 1.4x II vs Olympus EC-20

    Canon Extender EF 1.4x II Teleconverter
    Canon Extender EF 1.4x II
      Olympus EC-20 Teleconverter
      Olympus EC-20
      Editiorial reviews
      2
      2 editorial reviews
      Looking for a Canon lens review? Read on to find out what we uncovered in our objective optical lab tests.Read more
      The Canon EF 200-400mm f/4L IS USM Extender 1.4x comes complete with an internal tele-converterRead more
      Read editorial reviews
      3
      3 editorial reviews
      Find out if the Olympus lens is right for you.Read more
      After being able to play with this new device for a little bit I am now ready to give my opinion on it. First off losing 2 stops of light is difficultRead more
      Transform a 300mm Micro Four Thirds lens into a 1200mm full-frame equivalentRead more
      Read editorial reviews
      User rating
      39
      4.0 out of 5
      39 user ratings
      5 stars
      		33 %
      4 stars
      		33 %
      3 stars
      		33 %
      2 stars
      		0 %
      1 stars
      		0 %
      35
      4.2 out of 5
      35 user ratings
      5 stars
      		31 %
      4 stars
      		60 %
      3 stars
      		8 %
      2 stars
      		0 %
      1 stars
      		0 %

      Full Comparison

      Units:

      General

      Canon Extender EF 1.4x IICanon Extender EF 1.4x II
      Olympus EC-20Olympus EC-20
      Mount typeCanon EFFour Thirds

      Dimensions

      Canon Extender EF 1.4x IICanon Extender EF 1.4x II
      Olympus EC-20Olympus EC-20
      Weight7.76 oz7.94 oz
      Diameter2.87 in2.68 in
      Length1.07 in1.61 in

      Optics

      Canon Extender EF 1.4x IICanon Extender EF 1.4x II
      Olympus EC-20Olympus EC-20
      Elements57
      Groups4 pc5

      Focus

      Canon Extender EF 1.4x IICanon Extender EF 1.4x II
      Olympus EC-20Olympus EC-20
      Maximum magnification1.4x2x

      Pros & Cons

      Pros
          Cons

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