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Archive 2011 · Lens: Internal cleaning?
  
 
crimpshrine
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p.1 #1 · p.1 #1 · Lens: Internal cleaning?


Hi, i recently purchased an 85mm f1.2 and it has some internal debris. Has anyone tried cleaning internally and if so is there any guides anywhere?

Also does any one know what the cost would be at Canon to do this type of work?

Many thanks.



Dec 07, 2011 at 01:38 PM
faremax
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p.1 #2 · p.1 #2 · Lens: Internal cleaning?


I used to clean 85L by removing the rear element and that's where all the dust used to collect. I would not touch anything else unless you know what you are doing.


Dec 07, 2011 at 02:46 PM
crimpshrine
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p.1 #3 · p.1 #3 · Lens: Internal cleaning?


Thanks, it is the rear element that needs some attention! Do you have any info on this?


Dec 07, 2011 at 02:56 PM
faremax
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p.1 #4 · p.1 #4 · Lens: Internal cleaning?


Not really. You can't fully remove the rear element because there are wires connecting it to the body. I've used a regular microfiber cloth and it worked perfectly. Just be careful not to scratch it and you should be fine.


Dec 07, 2011 at 03:52 PM
 

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AGeoJO
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p.1 #5 · p.1 #5 · Lens: Internal cleaning?


For sure, not for the fainted heart.... .


Dec 07, 2011 at 03:55 PM
faremax
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p.1 #6 · p.1 #6 · Lens: Internal cleaning?


AGeoJO wrote:
For sure, not for the fainted heart.... .


, for sure.



Dec 07, 2011 at 04:42 PM
crimpshrine
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p.1 #7 · p.1 #7 · Lens: Internal cleaning?


...maybe I will just phone Canon!


Dec 07, 2011 at 04:53 PM
Ralph Conway
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p.1 #8 · p.1 #8 · Lens: Internal cleaning?


Let them do it.




Dec 07, 2011 at 05:17 PM





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