Compressed air needs no propellent or liquid to make it work, it's just air.
The stuff in the can is probably highly filtered and dried, thereby
eliminating any contamination from the air itself.
Catmaster
...
> <snip re. using compressed air>
> Err, isn't that a tad risky? (as in some of the propellant or liquid
> making it's way into the lens and thus potentially onto element
> surfaces?)
>
> /Acer "steppenwolf" Victoria
> --
> "Nothing left to win / And nothing else to lose." --U2
>
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