Hey Guys,

Just wondering what your thoughts are, purchased a second hand 5D as a back up body and took a couple of test shots which showed the sensor as being dirty. Just not sure whether its dust or a scratch? First is at f/22 and second is at f/2.8. Both or cropped in and the x was a focus point. You can see the marks in question on the top right hand corner..

I have tried using the rocket blower to no avail, and just called up the local camera shop for a sensor clean quote and they quoted $140

Never really had to deal with dirty sensors that wasn't fixed by the good old rocket blower

Any feedback appreciated!

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