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Message: <blockquote data-quote="Nikonitus" data-source="post: 86661" data-attributes="member: 10962">Further to this "dust problem" thread...Just finished a few other cleaning runs. A couple using the blow method with the bulb (rocket type blower) and 4 passes with an Arctic Butterfly. The blow method didn't appear to do much really except what it had done before, shifted the stuff from point A to point B. I then pulled out and tried the Arctic Butterfly and that began to make a real good step in the right direction. First, I took a pic before the event which revealed in P'shop a certain level of crud spots. I did the mirror lock thing and gave 2 passes with the Arctic Butterfly (AB), then placed the lens back on and took the obligatory pic for contrast at F22. P'shop revealed a massive amount now gone. As a matter of fact there was very little left at all. I then did the same thing again and even less was left, just one or two spots, but a smudge mark appeared in the top right corner. That got me a little concerned so I did the operation again. This time the smudge looked smaller but still there. One more time and again still there, just a lot lighter. One last time only this time instead of going from left to right, I went from right to left. This took a fair amount of the smudgey bit away but it also left a small spot (dust) on one side of the frame...At the end of the session, I am quite happy at how much crud has be lifted... At least I now know that it CAN be moved... I think it is just too dusty in this house, and to continue cleaning is more or less a futile exercise. I am no doubt chasing my own tail trying to get this thing absolutely clean so I will stop right here for now, at least until I get some swabs and fluid and find a less dusty atmosphere to complete the cleanup. At least I can take some more photos with confidence...I hope any of you with similar dust meet with this sort of success...</blockquote>

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