On 10/10/2012 1:05 PM, Tom C wrote:
People make mad cat sounds when I say this, but my first cleaning method
is still canned gas. I've polled a couple of other websites and have
come up with absolutely no verifiable evidence that anyone has ever
damaged a camera using Dust Off.
I always do a "practice squirt" away from the camera to ensure that no
propellant is going to come out.
After that, if I still have dust, I go to the wet cleaners, which I have
had to do exactly 3 times now since I bought my first DLSR in 2003.
William Robb
MEOOOOWWWW!
That's exactly what I do. I spray for about 2 seconds on the back of
my hand just in case (and to check if there's any kind of residue).
There never was but once and continuing to spray then showed none. I
then spray the compressed air over the sensor.
I've never cleaned the sensor(s) any other way in the past 10 years
and have never seen any discoloration or any other kind of sensor
damage.
I think it's far riskier to touch the sensor with a solid object, and
what if I notice a film or residue from a liquid? Then I'd definitely
have to rub.
One day at the studio, I did a little experiment. I took an old UV
filter, drew a small circle in it with a felt pen and measured it's
transmission properties within that circle on our densitometer . I then
emptied an ENTIRE can of Dust-Off at the circled paert of the filter,
and them measured it again. There were no differences at all in the two
readings.
--
William Robb
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