Yongnuo YN568EX III auto zoom not working.

Started 3 months ago | Discussions thread
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tarifa Junior Member • Posts: 27
Yongnuo YN568EX III auto zoom not working.

I just received the canon version of this flash from Amazon.es for use with a 5D MK III and Tamron 25-70 f2.8

It works well except for one problem – the auto zoom is not working. I can set the zoom manually from between 24mm and 105mm, either using the canon menu or the flash manual zoom control, but when I set it in auto mode (both in the camera and on the flash), it is “stuck” at 50mm. This results in pictures taken at 24mm only having the centre illuminated etc.

Things I have tried:

  1. Switching the camera off and on
  2. Switching the flash off and on.
  3. Taking the lens off and putting it back on
  4. Changing the settings to manual then back to automatic in the camera
  5. Changing the settings to manual then back to automatic in the flash.

Has anyone else had such a problem?

Shall I send it back to amazon for a refund?

The 5D + Tamron worked fine with my old (now broken) speedlite 580 EX with auto zoom.

 tarifa's gear list:tarifa's gear list
Sony RX100 Canon EOS 5D Mark II Canon EOS 5D Mark III Canon EF 50mm f/1.4 USM Canon EF 400mm f/5.6L USM +5 more
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