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20D and dust spots
Dust seems to be a problem.
I noticed a piece of fluff on the viewfinder today. Rather than let it migrate to the sensor I *think* I managed to remove it. This prompted me to try the sensor dust test (stop down to f22 and shoot the sky out of focus. Sure enough there are a couple of faint spots, so I guess changing from film to digital won't mean I will be giving up using the clone stamp any time soon. What I find disturbing is this is a brand new camera for xmas, I only have one EF lens which has been mounted exactly twice, once on delivery and once on xmas day. The camera has only been used in doors apart from a short stint (mostly because I have been fixing my central heating). If this is the amount of dust intrusion at this point what are things going to be like after changing lenses in windy conditions a few times? I know the 20D is not a pro camera so I was not expecting the mount to be dust proof, but this seems to be an issue. Is this a particular problem with the cheap 18-55mm kit lens or can I expect the same problem with any lenses? I was planning to get mostly prime lenses like my old system but now I wonder if I should consider zooms just to reduce the number of lens mountings.... Can some of the more experienced DSLR users please indicate how much of an operational issue sensor dust is and what precautions they take. cheers Lester |
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