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Anonymous
i'd advise against using the blower, but its the cheapest and easyest way to get that black spot off.
do it right though! go to a room with no air movement. get a fresh battery, lock up the mirror, take off the lens, hold the camera so the chamber is pointing to the floor (eyepeice upwards), position the nozzle near the lens mount (don't put it inside the chamber), blow around for a bit, hope it works, put the lens back on, turn off the camera, take some pics of a white peice of paper or a blue sky at f22. see if the dust is still there.
if it is buy some sensor swabs and eclipse fluid, because its probably sticky pollen and it won't blow off.
a note to avoid dust. simple. change lenses as quickly as possible and as infrequent as possible. a tip to changing lenses quickly: get the lens to be put on the camera on a flat surface with the lens pointing up. unscrew the base protector but don't lift the lens off of it. on the camera, release the lens locking mechanism on the camera and turn the lens until its ready to come off, but don't take it off. then grab the lens to be put on the camera in one hand (making sure the locking mark is in the right spot to be chucked on the camera quickly), and the lens to come off in the other. then simply lift and switch. should take like less than half a second and will reduce dust significantly.
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