Dust Spots….Yikes! Our digital cameras seem like dust magnets. Dust spots on your images can be very frustrating and time-consuming to remove. Imagine how you would feel if you shot several hundred images while on assignment. URGH!
One could spend several hours trying to clean dust from images during the post-process. Who wants to do that?? Keeping the lens and camera covers on at all times will help keep dust off the sensors. Also, change your camera lens indoors if possible, especially on those windy days.
Most of the professional cameras have internal sensor cleaners. So, if you’re working on location and you suddenly find a dust spot on your sensor, don’t despair. Although you may not be able to physically clean the sensor, you can still use the in-camera sensor cleaning – don’t just turn the camera off and back on again though – use the Clean Now setting to force a deeper sensor clean. Make sure the camera is pointing forwards (not down) and do this process a couple of times. In most instances this will clear any dust spots.
Contributed by: Martin J. Allred (editor) http://www.Floridaography.com
Source Canon CPS