Canon Extender EF 1.4X III Lens

Canon Extender EF 1.4X III Lens
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Take your photography further than ever before with this Canon EF III extender lens. It increases the focal length of your DSLR camera lens by a factor of up to 1.4X, meaning you can shoot from further distances without having to sacrifice quality. From Canon.

  • Includes Extender EF 1.4X III lens, extender cap, rear dust cap, lens case, and manual
  • Compatible with fixed focal length L-series lenses 135mm and over, EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L
  • 1.4X magnification factor
  • Seven lens elements in three groups
  • Built-in microcomputer
  • Fluorine coating
  • Measures approximately 2-3/4"Diam x 1-1/8"L
  • 1-year Limited Manufacturer's Warranty
  • Imported

Delivery Date Estimate

Reviews & Community QA

Canon Extender EF 1.4X III Lens is rated 1.7 out of 5 by 3.
Rated 2 out of 5 by from Does not live up to expectations I do not recommend this extender as it impacts sharpness. In numerous tests, this extender reduced the sharpness of my EF 70-200mm f/2.8L IS II USM from what I would describe as tack-sharp to "soft". There is no sense in having a 1.4 boost in focal length if the picture is not sharp.
Date published: 2017-02-22
Rated 1 out of 5 by from Not worth the money I bought the extender to use with a 100-400mm lens and have used it on the old L series and the new L 2. I have used it with a 7d as well as 7d mark 2. The images I have gotten with the extender are very poor. Now the extender seems to have stopped communication with the camera and I get an error message. The messages says to clean the contacts which I have done but to no avail. Not worth the money.
Date published: 2017-02-17
Rated 2 out of 5 by from Disapointed in Canon's product registration I love the product, but canonusa.com registration process does not even allow the user to view the serial number and purchase date information that one previously entered. This is very frustrating when doing things like providing information for insurance coverage or opening a support ticket. Fix the registration process, and I'll rate on just the product and raise it up a lot.
Date published: 2016-07-30
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