Yes, dust is a problem on the sensors. It is directly correlated to
the amount of lens changing you do and the ambient dust level where such
lens changes are performed. Minor spots on images may also be easily
corrected in software w/ the clone or stamp tools. Canon's DPP does a great
job. Eventually, the air bulb technique will no longer do the job. There
is no substitute for the results derived via the wet technique. A sealed
sensor swabs (buy a few in a box to have on hand) and a small bottle of
Eclipse cleaning solution is all that's needed. Just make absolutely
certain that the shutter isn't touched during the cleaning process. You
don't want the shutter closing on the cleaning wand. It's all clearly
discussed on the various websites.
Before using any Artic Butterfly (or other dry brush technique), the
shutter box area of the EOS camera bodies, **must** first be thoroughly
cleaned of all manufacturing and lubricating oils!!
If this preliminary cleaning of the Shutter box area is not performed,
you run the risk of streaking lubricating oils across the glass filter
covering the sensor, putting you right back to the wet cleaning method.
Rob Greenstein
Can I ask those of you using DSLRs how often you are finding it necessary
to clean the sensor? After only week of (fairly heavy) use, I just had my
first instance of sensor dust. The manual-recommended method with the
rubber bulb blower solved it, but I just wonder how much I need to
overhaul my lens-changing technique, or if this is a fairly common
occurrence no matter how careful one is. Do the 1 series DSLRs have less
of a problem with sensor dust?
TIA
Ken
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