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[OM] Re: Uh oh..dust!

Subject: [OM] Re: Uh oh..dust!
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Mon, 27 Aug 2007 15:44:29 -0400
Oh, the glee in your voice!  :-)

I do consider it a non-issue.  I've had the 5D for 15 months and have 
cleaned it once and it now needs it again for a single spot in the 
center of the frame.  Although I say I've used the Copperhill method and 
the brush method I consider both of them part of a single cleaning.

When I first tried the Copperhill method with Eclipse and PecPads the 
first pass made the sensor much *worse* than before I started.  It took 
two or three more passes to get it back to the point that it was 
slightly better than before I started.  That's when I quit until I 
bought some brushes on ebay and then continued with the brush method. 
Since the brushes were new and not designed for cleaning sensors it took 
a while to prepare them and make sure they were clean.  Once clean I 
made one forward and one back stroke with each of the two brushes.  Two 
strokes to cover the sensor because it's 24mm wide and my brushes are 
only 13mm wide.  That left only 3 small specks only visible against a 
bright sky at f/16 or smaller.  That was time to stop.  It hasn't needed 
to be cleaned again until two days ago since it now has one visible spot 
at f/8.  When I do get around to the cleaning (real soon now) I expect 
it will take not more than 1 or two minutes.

Chuck Norcutt

AG Schnozz wrote:
> Dr. Maid wrote:
>> I bought a couple of cosmetic mask brushes on ebay...
>> ...But a little soap and water and rinsing fixed that easily.

> I'm so glad that dust on the sensor is a non-issue for Canon/Nikon
> users.  :)  The ONE and ONLY time I've ever cleaned a sensor I just
> cut a small piece of Swiffer and wrapped it around a Q-tip.  Worked
> like a charm.  Took me two years and 20,000 pictures to finally do it
> too, and that's only because the spots were showing up on my pinhole
> pictures.

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