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Talk about over reactions. You mostly only need a bulb blower to clean sensors, you gently squeeze to bulb to blow air to dislodge specs like this. Turn the camera so the sensor is facing down while doing this and keep it that way until you put a cover on it otherwise dust just settles back down out of the air onto the sensor again, upside down spec dislodge and fall to the ground. Any cheap bulb blower will work available everywhere camera accessories are sold. No "best brands", just buy a half dozen, they are rarely more than a fiver. If you are touching the sensor for cleaning it then you're doing things wrong and more likely to cause lasting problems.
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