Cleaning a cameras' sensor is really easy.  Depending upon make and model an external power supply may be required.  The external psu will keep the mirror locked up exposing the sensor.  Using a pec-pad and a dab of eclipse fluid simply wipe using both sides of pec-pad sweaping the same direction. 
  
Sounds daunting but its as easy as falling off a log, winnie the pooh once said! 
  
I have over 8,000 exposures on my camera and its been cleaned once.
		 
		
		
		
		
		
		
			
		
		
		
		
		
	
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