Sensors are pretty tough, if you use one of those pec pad spatulas it would be a hell of a job to cause damage.
I don't doubt it.
I tried once, on my 5D. I attacked it with an can of air. I had a practice first to make sure that I was going to be squirting at a distance I was comfortable at. When I tried it on the camera, I was holding the can at a different angle and sprayed the liquid propellant onto the sensor, where it instantly froze.
I still remember the feeling in my stomach.
Fixation sorted the mess for me.
Now that I'm shooting with 5 grands worth of 1DsIII, the idea of spending 1% of that on getting it done properly once in a while, seems pretty obvious.
Some other things that help my decision:
1) The self-cleaning stuff built in to the camera is pretty effective and I am quite anal about dust management, so it doesn't need cleaned often.
2) I use full frame cameras. I understand that FF sensors are more difficult to clean than crop because the sensor fits on the back of the lightbox. You can't get into the corners properly. Fixation take the camera apart, clean the sensor then fit it back together again
3) Scratching the sensor isn't the only danger. Glitch the power and the shutter/mirror will close on your tool.
That's not to say that it isn't appropriate for you, but I'm chicken...
Andrew
