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Key Features
- EF Mount Teleconverter
- 1.4x Magnification Factor
- Maintains AF and AE with Select Lenses
Dedicated to select Canon EF-mount lenses, the Extender EF 1.4x III Teleconverter from Yongnuo allows you to increase the effective focal length of lenses for greater reach. The electronic design of the teleconverter permits communication between compatible lenses and camera bodies in order to support autofocus and auto-exposure, and the optical design is comprised of seven elements in three groups in order to maintain image quality.
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Will this work with a 7D mk 111 or 5D mk 11 with ...
Will this work with a 7D mk 111 or 5D mk 11 with Canon EF 100-400mm f/4.5-5.6L IS II?
Yes, it will fit.
Date published: 2021-01-29
I notice the 5D Mark III works with the 100-400 ...
I notice the 5D Mark III works with the 100-400 but the 5D Mark IV is not mentioned as supporting the 100-400, is this an oversight?
This is compatible with the Canon 5D Mark IV. The page just has not been updated to include the latest cameras.
Date published: 2022-07-11
question
Does this 1.4X work with Canon 80D?
This teleconverter will be fully function on the Canon 80D when used with compatible lenses.
Date published: 2018-08-26
question
Will this converter retain the IS function of the EF 70-200 F4L IS when used in conjunction of 5D mk2 or mk 4?
You would need to use the canon 1.4x extender to retain the is function.
Date published: 2018-08-26
question
Can this TC work on Canon 80D?
Yes your Canon EOS 80D will be able to utilize this teleconverter.
Date published: 2018-08-26
question
I would like to know using this Yongnuo 1.4 iii work on 100-400mm lens (version one, not two) on the Canon 6d camera or 60D? Thank you!
I Guess it Will Work. My 2.o works ok with my 100-400 lens om Canon 50d and 600d
Date published: 2022-07-17