Dust in lenses...

Trig's

Trig's

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What is the situ regards to dust in a len's?

I can understand it getting in to kit lenses etc on consumer camera bodies but with semi-pro & pro bodies that have the seal on them will dust still get in a pro lens as much?

Just that you read about people mentioning dust in a len's when they sell them etc (as I have done this myself) is it that much of a problem or not...

Hopefully I have explained my question so that its easy to understand... I know what I mean but trying to type it is another :thumbs:
 
Due to the location of the dust when it is inside a lens it is usually so far out of focus as to be invisible but if you have too much then it can start to become visible. I have bits of dust in some of mine. Can you see it? No? Does it matter then.
 
Typicallly bits of dust inside the lens, have no noticeable effect (ditto for scratches).
If you allot or plenty of very fine dust, you should see loss of contrast. It is not very usual for lenses to have that much dust anyway, only if they are very very old and have not been well kept.
 
One or two specks are pretty normal. 'Way-back-when' I'd occasionally get mammoth black flecks floating around in an old Zuiko 50mm lens which appreared to be paint from the iris blades...:eek:

Not so common now.
 
So does these seals help against it all or is just how & where you change the lenses regardless of if its a consumer, semi-pro or pro cameras & either a DX or FX lens.... :shrug:
 
These 'weather' seals only effect dust and moisture ingress when the lens is mounted.
The back-end of the lens is open - any lens.

So yes, when and where you change lenses does make a huge difference.
 
Arkady said:
These 'weather' seals only effect dust and moisture ingress when the lens is mounted.
The back-end of the lens is open - any lens.

So yes, when and where you change lenses does make a huge difference.
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Also regardless if its a FX or DX as well I take it then....
 
Changes in lens length be it by zooming or focussing will always suck in some dust. Longer zooms, especially bellows-types like the 100-400L are going to be worse for this. The same action will eventually blow dust onto your sensor, no matter how clean you try to be...
 
Need to get my D300s sensor done as that has 2 bits of dust on it (quite noticable as well when you look inside & it's only a few months old as well :(
 
Trig's said:
Need to get my D300s sensor done as that has 2 bits of dust on it (quite noticable as well when you look inside & it's only a few months old as well :(
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Doesn't the D300s have a sensor cleaner built in? the D300 does.
 
yeah, just that this is quite stubborn... A rocket couldnt shift it, an I'm not all that keen of doing it myself neither..

Bit heavy handed sometimes, as I have nearly poked a cotton bud completely thru my head at one stage trying to get the wax out :puke: so god knows what I would be like with a sensor cleaning kit :lol:........
 
Trig's said:
yeah, just that this is quite stubborn... A rocket couldnt shift it, an I'm not all that keen of doing it myself neither..

Bit heavy handed sometimes, as I have nearly poked a cotton bud completely thru my head at one stage trying to get the wax out :puke: so god knows what I would be like with a sensor cleaning kit :lol:........
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LOL, I know how you feel. I have the arctic butterfly but haven't had the courage to use it.
 
mickd300 said:
LOL, I know how you feel. I have the arctic butterfly but haven't had the courage to use it.
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I've read all the posts regarding sensor cleaning... but its just getting over that 1st hurdle... Should have done it years ago with a cheaper digi....

:thinking: I'm sure that all these more experienced people went thru the samething regarding the first time that they done it... :thumbs:
 
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