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Have You Had This Problem With Canon 100-400  
User currently offlineMirrodie From United States of America, joined Apr 2000, 7443 posts, RR: 62
Posted (6 years 6 months 3 weeks 4 days 7 hours ago) and read 6629 times:
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A fwe months ago, I noticed that when I zoom in, then zoom back out, it seemed that there was some resistance to zoom out the lens. it's an on and off phenemonon and hte shots are unaffected.

YEsterday while spotting with a friend, he diagnosed my issue. One of the black internal rings ( I forget the proper name) which can be seen when you look head on at the lens, was loose and falling backwards toward the camera body.

I am wondering if anyone else has experienced this. And hte cost of repair at Canon?


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10 replies: All unread, jump to last
 
User currently offlineTimdeGroot From Netherlands, joined Apr 2002, 3674 posts, RR: 64
Reply 1, posted (6 years 6 months 3 weeks 4 days 4 hours ago) and read 6564 times:
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Yes I've had this (or a similar) problem. It got so bad I could not move the zoom ring any longer. It was still under warranty so not sure what a repair will cost.

Tim



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User currently offlineWhisperjet From Germany, joined Nov 2007, 566 posts, RR: 8
Reply 2, posted (6 years 6 months 3 weeks 3 days 12 hours ago) and read 6479 times:
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Hi,

I had the same problem but it was under warranty too. Seems to be a quite common problem with the 100-400.

Stefan



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User currently offlineGVerbeeck From Belgium, joined Mar 2005, 245 posts, RR: 24
Reply 3, posted (6 years 6 months 3 weeks 3 days 7 hours ago) and read 6447 times:

I've had mine repaired for a similar problem not under warranty. Cost me around € 120.

User currently offlineMaiznblu_757 From United States of America, joined Mar 2002, 5112 posts, RR: 50
Reply 4, posted (6 years 6 months 3 weeks 3 days 6 hours ago) and read 6414 times:

Quoting Mirrodie (Thread starter):
A fwe months ago, I noticed that when I zoom in, then zoom back out, it seemed that there was some resistance to zoom out the lens. it's an on and off phenemonon and hte shots are unaffected.

YEsterday while spotting with a friend, he diagnosed my issue. One of the black internal rings ( I forget the proper name) which can be seen when you look head on at the lens, was loose and falling backwards toward the camera body.

I am wondering if anyone else has experienced this. And hte cost of repair at Canon?

Yes, I have had the resistance issue with the 100-400mm but mine was caused by the bearings not functioning correctly. I have the Mack Warranty which adds 3 years on to the Canon warranty. Mack was unable to fix it so they sent it to Canon for the repair.

I had a friend that went to Phancon a couple of year ago and his lens got stuck at 400mm, it wouldnt budge. The bearings were the cause again.

Advice, use the opportunity to have Canon check the sharpness of the lens from 300-400mm. A lot of people complain of the lens being soft in that range. Its a peace of mind thing.

[Edited 2008-01-09 09:59:05]

User currently offlineAero145 From Iceland, joined Jan 2005, 3071 posts, RR: 21
Reply 5, posted (6 years 6 months 3 weeks 3 days 2 hours ago) and read 6372 times:

I have a bit of this problem with my 100-400. It's in EU warranty for a few more months now, but I really doubt Canon Iceland will want to fix that (not sure if they've ever had to fix a 100-400 at all  Silly).

I remember "TZ" said something about putting some liquid on the barrel, will be nice to see if he'll reply to this thread.

Atb,

D


User currently offlineIngemarE From Sweden, joined Mar 2005, 285 posts, RR: 5
Reply 6, posted (6 years 6 months 3 weeks 3 days 2 hours ago) and read 6363 times:



Quoting Mirrodie (Thread starter):

Throw it away!, and pamper yourself with this one.........  drool  http://www.canon.com/camera-museum/c...per_telephoto/ef_1200_56l_usm.html
......there's a rumour about one being up for sale somewhere in California!


Even I would give a brand-switch a thougt, if I had the cash to spend that is!  cheeky 



In thrust I trust.
User currently offlineAA 777 From United States of America, joined May 2002, 807 posts, RR: 13
Reply 7, posted (6 years 6 months 3 weeks 3 days ago) and read 6338 times:
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Mario,

I had the same problem with mine last year. I drove it down to Canon in NJ...exit 8A I believe on the NJ TPK. They mailed it back to me in a week and it was about 100 bucks I believe!



CRJ-700 FO
User currently offlineMirrodie From United States of America, joined Apr 2000, 7443 posts, RR: 62
Reply 8, posted (6 years 6 months 3 weeks 2 days 21 hours ago) and read 6320 times:
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Thanks all, much appreciated, esp. aa777.

Mario



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User currently offlineNSMike From Canada, joined Mar 2005, 251 posts, RR: 2
Reply 9, posted (6 years 6 months 3 weeks 2 days 20 hours ago) and read 6315 times:



Quoting IngemarE (Reply 6):
Throw it away!, and pamper yourself with this one......... http://www.canon.com/camera-museum/c...per_telephoto/ef_1200_56l_usm.html
......there's a rumour about one being up for sale somewhere in California!

B&H has one for sale...

http://www.bhphotovideo.com/c/produc...Super_Telephoto_1200mm_f_5_6L.html


As to the OP my 100-400 had the same problem. The plastic ring inside the front element came loose, preventing it from zooming. It was fixed under warranty.



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User currently offlineSulman From United States of America, joined Mar 2004, 2035 posts, RR: 32
Reply 10, posted (6 years 6 months 3 weeks 2 days 15 hours ago) and read 6288 times:

I remember Peter Fagerstrom saying he had a single grain of sand in his that caused his 100-400 to lock solid. EGHI local Justin Wood has his 100-400 fail in the same way the thread author described; I believe Canon fixed it under warranty.

TZ's trick was a rag with WD40 on it applied gently around the telescopic part of the barrel, If I recall correctly.


James

[Edited 2008-01-10 00:48:38]


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