Dust specs behind the lens , what the..

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Pirate Neilsouth

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How the hell does white dust particles get behind the lens , i thought these things only got dust on the front!

I don't think i'll be able to blow these things off :wacky:
 
I suppose it depends on the lens and the kind of life it has had, is it an expensive lens or a budget lens.
 
you sure its not on the sensor ???

just checking ...
 
Galaxy66 said:
I suppose it depends on the lens and the kind of life it has had, is it an expensive lens or a budget lens.
Click to expand...

not always the case, for example the canon 100-400 L is prone to it due to its push pull zoom system, it acts like a vacuum.
 
wez130 said:
not always the case, for example the canon 100-400 L is prone to it due to its push pull zoom system, it acts like a vacuum.
Click to expand...

Won't be buying one of those then:eek:
 
It's not uncommon for dust particles to get into lenses over time. Normally they have little or no effect on images, but if they bother you, you can have it dismantled and cleaned. Just be sure it isn't mildew, which is far more difficult to deal with.
 
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