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01-09-2009, 07:42 PM   #1
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Little Dust Inside Prime Lens??

I am curious about buying a lens, but it has a "little dust" as professed by the seller. However, I had to drag it out of him a bit by asking directly. The ad posted that it was scratch free, fungus free and haze free but no mention of dust. That is why I ask directly.

How much of a bother is it to open a lens and blow any dust out? What does it cost to bring a lens to a professional shop to service a lens and blow dust out? Is there any chance of screwing things up?

Thanks

Btw, I have no pictures to judge by. Nor can see the lens in person. Please advise

Thanks

01-10-2009, 01:11 AM   #2
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Moved to correct forum.
01-10-2009, 02:50 AM   #3
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Ask for a picture, a few specks of dust shouldn't matter.
01-10-2009, 07:46 AM   #4
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any way to clean inside dust?

is there any way to clean the inside dust professionally?

how much $$?

thanks

01-10-2009, 08:11 AM   #5
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QuoteOriginally posted by rdrum76 Quote
is there any way to clean the inside dust professionally?

how much $$?

thanks
Yes, take it apart and clean it, a frustrating and specialist job.

A lot.
01-10-2009, 08:27 AM   #6
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how much $$ for professional; any risk? :)

how much $$ for professional; any risk?
01-10-2009, 08:54 AM   #7
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Usually a little dust is not worth the cost of cleaning as there is USUALLY little to no effect on photos.
However, the fact that you 1. had to squueze out of the seller that there is dust present 2. you have seen no pictures of the lens 3. will not see it in person before buying it all ......would make me say that unless you are getting an unbelievable price to probably walk away.
01-10-2009, 09:07 AM   #8
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QuoteOriginally posted by rdrum76 Quote
is there any way to clean the inside dust professionally?

how much $$?

thanks
Eric is highly recommended and charges about $30 to clean out a Tak 50, similar costs for similar lenses.

But as has been said, insist on photos of the lens, unless it's free or near-free.

And if it really is just "a little dust," it will probably have no effect whatsoever on the images from the lens. See this link.


.

01-10-2009, 04:48 PM   #9
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Jay's 70-200mm Tamron has been for a swim .. and still takes amazingly good images.

I can tell you that the majority/literally all lenses will have a tiny bit of dust that's been sucked in over time ... I'd love to see a "completely" dust free lens.
01-10-2009, 04:54 PM   #10
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QuoteOriginally posted by Mechan1k Quote
Jay's 70-200mm Tamron has been for a swim .. and still takes amazingly good images.

I can tell you that the majority/literally all lenses will have a tiny bit of dust that's been sucked in over time ... I'd love to see a "completely" dust free lens.
A voice of reason, that.

Mike
01-10-2009, 07:07 PM   #11
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When questions like this come up, I always invite people to take a look at this extreme example.

Since I saw that, I don't worry about a few little specks of dust quite so much.
01-11-2009, 10:42 PM   #12
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QuoteOriginally posted by Mike Cash Quote
I always invite people to take a look at this extreme example.

Since I saw that, I don't worry about a few little specks of dust quite so much.
Wow! I've seen plenty of "bugs" in programs (I was a computer programmer in a previous life) but that is the first bug I have seen in a lens.

I'll stop worrying about a few dust specks from now on.
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