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FORUMS Cameras, Lenses & Accessories Canon Lenses 
Thread started 13 Feb 2017 (Monday) 23:28
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Need help with 1.4 extender

 
maverick75
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Feb 13, 2017 23:28 |  #1

My friend had the rear element on his 1.4 just randomly fall out while in his camera bag, is this an easy fix, like DIY possible? Or does it have to be sent to Canon for repair?


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maverick75
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Feb 13, 2017 23:49 |  #2

Would it just be easier/cheaper to buy a Kenko 1.4?


- Alex Corona Sony A7, Canon 7DM2/EOS M, Mamiya 645/67
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bildeb0rg
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Feb 14, 2017 07:59 |  #3

I would phone canon services and ask them. As suggested, it could be cheaper to replace with a third party con, but until you ask you'll never know. Curious as to how it just "fell out" tho??? I'll assume its an older version as you haven't gone the warranty route?




  
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joeseph
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Feb 15, 2017 13:00 |  #4

Looking at my MK I ext to see how the rear element is attached it's held there by a thin circlip.

I've copied some info from the parts catalog for MK II 1.4 below:


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If your friend finds the circlip in the bottom of his bag, it looks fairly simple to put back in...

some fairly old canon camera stuff, canon lenses, Manfrotto "thingy", and an M5, also an M6 that has had a 720nm filter bolted onto the sensor:
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maverick75
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Feb 16, 2017 00:33 |  #5

awesome! thank you so much!


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joeseph
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Feb 17, 2017 23:08 |  #6

no problems... let us know if it they get it sorted!


some fairly old canon camera stuff, canon lenses, Manfrotto "thingy", and an M5, also an M6 that has had a 720nm filter bolted onto the sensor:
TF posting: here :-)

  
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Need help with 1.4 extender
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