How do you manage to remove it?
Some days ago I had dust on the mirrors of my 350D/Digital Rebel XT.
I tried to remove it, only obtaining to have more dust on them.
The result: when I used the camera again, the dust went from the mirrors to the sensor, with this effect:
I was hoping this wasn't visible at high aperture, but it isn't so... :-(
I need your help: did you had this problem and how do you managed to resolve it? (Please, specify if it is a direct or indirect experience!!)