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|  » Stats |
Members: 50,186
Threads: 82,433
Posts: 853,796
Top Poster: glsammy (15,069)
| | Welcome to our newest member, newy | |  | | 
25-05-2007, 08:30 PM
|  | Member of the Wild Empire | | Join Date: Mar 2006 Location: IVYBRIDGE,
Posts: 402
| | | Re: The Pump Goes Back
I was told that he air flow caused by lenses such as the pump was the main cause of dust getting on the sensor. I can see the logic in the statement but have no idea if it is true.
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Trying is the first step towards failure |
25-05-2007, 08:44 PM
|  | Knight Grand Cross of the Wild Empire | | Join Date: Feb 2006 Location: i'm right here
Posts: 11,154
| | | Re: The Pump Goes Back
it certainly will suck dust in - I coated a hired pump and my sensor with dust while covering a motoX event - but that was extreme circs , in normal usage the little ammount od dust sucked in is nothing compared to the ammount that ingresses while you are changing lenses in the field
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Some people are like slinkies, good for nowt, but they make you smile when pushed down stairs |
26-05-2007, 12:35 PM
|  | Knight Commander of the Wild Empire | | Join Date: Sep 2004 Location: Bolton
Posts: 5,751
| | | Re: The Pump Goes Back
26th May 2007
I received a letter today, from Canon, telling me that they have received the lens and giving me a website to log onto to check its progress.
You fill in the order number, and the box number and it tracks the progress of its status
Pretty cool.
Your order
Canon order number: *******
Box number: ****
Your order number: A HUNTER
Status: Your repair is currently being processed
POS Serial no. Article
**** LENS EF 100-400MM 4.5-5.6L IS
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www.andrew-hunter.net |
04-06-2007, 07:15 PM
| | Knight Commander of the Wild Empire | | Join Date: Sep 2004 Location: Bolton
Posts: 5,751
| | | Re: The Pump Goes Back
Its back, and clean as a whistle
Will try it out tomorrow but it looks brand new
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www.andrew-hunter.net |
04-06-2007, 07:24 PM
|  | Member of the Wild Empire | | Join Date: May 2007 Location: Sawbridgeworth, Herts.
Posts: 295
| | | Re: The Pump Goes Back
Nice one.....  |
05-06-2007, 05:49 AM
|  | Active Member | | Join Date: Jun 2006 Location: near Cambridge
Posts: 2,005
| | | Re: The Pump Goes Back
That all sounds like pretty good service to me. If you don't mind me asking Andrew, what did Canon charge you for doing this?
Jeff |
05-06-2007, 08:05 AM
|  | Active Member | | Join Date: May 2007 Location: Tayside
Posts: 31
| | | Re: The Pump Goes Back
Hi
Thats given me hope, ive a 100-400 IS and its coated with dust but never sent it off as thought the cost would be a lot more.
So will be sending it in for a clean soon as.
Regards
Iain Sloan | | | |
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