Canon Extender EF 1.4x III
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The Canon Extender EF 1.4x III is specially designed for the super telephoto lenses of the professional L-series from Canon. You do not only see this on the outside. This extender has also received the same careful internal treatment as the lenses from this series. Photojournalists, nature and sports photographers will be able to easily expand their collection of beautiful lenses with a 1.4x extension of the focal length. The unlocking mechanism has been placed with care, making the extender quick and easy to assemble. Your lens is not exposed to all the misery from outside for too long. In addition, the Canon Extender EF 1.4x III, like all professional Canon products, is resistant to dust and moisture.
You'll get even more similarities with the L to encounter objects. The Canon Extender EF 1.4x III has seven lens elements in three groups. Each of these elements is equipped with Canon's Super Spectra coating to prevent reflections and flare. In addition, the front and rear elements are provided with a fluorine coating, making dust, moisture and stains easily removable. The communication between lens and camera body also continues thanks to the built-in processor. All focus, light metering and ID information is transmitted quickly, so you always use the right information.
Note: When using this extender you lose 1 stop light. This means that you go from aperture f / 2.8 to f / 4, for example. When the aperture of the lens becomes f / 8 or more when using an extender, only the manual focus can be used.
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The Canon Extender EF 1.4x III is the last version of the extenders that Canon has brought to the market. A 2x version is also available. Very simply, it means that your (zoom) range is increased by a factor of 1.4. In combination with an APS-C sensor with a crop of 1.6x, your range can become considerable that way. eg. a 400mm lens can then (theoretically) have a range of 400 x 1.6 (crop) x 1.4 (extender) = 896 mm. These extenders are specifically designed for Canon's (professional) EF lenses, especially the (super) telephoto lenses, both prime and zoom lenses. This device weighs about 200 grams and is (very) solidly built, comparable to the L-lenses, ie in metal with optically high-quality materials. Attention: if you place this extender on your camera, it will affect your autofocus system. You fall back one stop in aperture, so for example from f 5.6 to f8. Only Canon's more recent cameras keep their autofocus system at f8. eg. the 6D, 77D, 800D, 80D,.... Not the older versions. In addition, your camera should not only be compatible with this extender, in addition, the number of focus points of the camera/lens is limited by the extender. With certain (older) lenses, for example, you only have one autofocus point, of which the autofocus system is then (strongly) slowed down. The newer lenses are more compatible with the canon extenders. The Canon EF 100-400 mm f/4.5-5.6L IS II USM is a good example of this. Combined with a 6D or 77D, you still retain a large number of autofocus points in the middle, without losing too much speed in the autofocus system. Both are, as it were, (better) attuned to each other. In short: this extender is therefore especially interesting for a compatible camera and preferably combined with a lens with a high aperture (f2.8, f4,...).
SD
11 June 2019
Automatically translated from Dutch
I have a 200mm lens and bought this 1.4x because the difference between my 15-85 and the 200 wasn't that much. When I tried this out, the result was much better than I expected. The follow-up and delivery of Coolblue also went VERY smoothly. Go.. Coolblue!!!
Van Acker Gino
28 June 2012
Automatically translated from Dutch
Bought in combination with the 70-200 f2.8 and very pleased with the results. Photos remain very sharp. Easy and quick to assemble.
Bruno TImperman
15 August 2013
Automatically translated from Dutch
Product number | 109832 | |
|---|---|---|
Manufacturer code | 4409B005 | |
Brand | Canon | |
Warranty | 2 years | |
Processing of your defect | Carry-in warranty |
Teleconverter | ||
|---|---|---|
Mount converter | ||
Suitable for camera type | APS-C, Full frame |