tgamron Senior Member  305 posts Likes: 2 Joined Dec 2007 Location: Shanandoah Valley More info | Feb 11, 2011 18:48 | #1 I was selling this lens (70-200mm 2.8 IS, and person who was going to buy it. Held it up to a bright street light, we could see lots of dust. Which looks to be inside the lens. Under normal lighting you don't see anything. I've never noticed anything on the pics. Is it worth getting it cleaned by Canon? Canon G11
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gasrocks Cream of the Crop  13,432 posts Likes: 2 Joined Mar 2005 Location: Portage, Wisconsin USA More info | Feb 12, 2011 10:42 | #2 Probably not. All used lenses have some amount of dust inside of them. 99% of the time it does not affect results. But, there are a few fanatics about having perfect equipment out there. GEAR LIST
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nyy Senior Member 616 posts Joined May 2006 Location: New Jersey More info | Feb 12, 2011 10:45 | #3 I would never stop myself from buying a lens just because of a few specs of dust. "I think Bigfoot is blurry, that's the problem. It's not the photographer's fault. Bigfoot is blurry. And that's extra scary to me, because there's a large, out-of-focus monster roaming the countryside." --Mitch Hedberg
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gasrocks Cream of the Crop 13,432 posts Likes: 2 Joined Mar 2005 Location: Portage, Wisconsin USA More info | Feb 12, 2011 10:47 | #4 But he has to convince the buyer it is OK. Guess you discovered the 70-200 won't fit onto your G11. GEAR LIST
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nyy Senior Member 616 posts Joined May 2006 Location: New Jersey More info | Feb 12, 2011 11:18 | #5 gasrocks wrote in post #11828348  But he has to convince the buyer it is OK. Guess you discovered the 70-200 won't fit onto your G11. It takes a lot to affect IQ on a lens. I would show the buyer this link http://www.lensrentals.com …0/front-element-scratches "I think Bigfoot is blurry, that's the problem. It's not the photographer's fault. Bigfoot is blurry. And that's extra scary to me, because there's a large, out-of-focus monster roaming the countryside." --Mitch Hedberg
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tgamron THREAD STARTER Senior Member 305 posts Likes: 2 Joined Dec 2007 Location: Shanandoah Valley More info | Feb 12, 2011 19:01 | #6 gasrocks wrote in post #11828348 But he has to convince the buyer it is OK. Guess you discovered the 70-200 won't fit onto your G11. It fits petty well on my ID MKIII. Canon G11
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tgamron THREAD STARTER Senior Member 305 posts Likes: 2 Joined Dec 2007 Location: Shanandoah Valley More info | Feb 12, 2011 19:04 | #7 gasrocks wrote in post #11828328 Probably not. All used lenses have some amount of dust inside of them. 99% of the time it does not affect results. But, there are a few fanatics about having perfect equipment out there.
Canon G11
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tgamron THREAD STARTER Senior Member 305 posts Likes: 2 Joined Dec 2007 Location: Shanandoah Valley More info | Feb 12, 2011 19:05 | #8 nyy wrote in post #11828339 I would never stop myself from buying a lens just because of a few specs of dust. I'll just have to post it again. Canon G11
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tgamron THREAD STARTER Senior Member 305 posts Likes: 2 Joined Dec 2007 Location: Shanandoah Valley More info | Feb 12, 2011 19:08 | #9 nyy wrote in post #11828511 It takes a lot to affect IQ on a lens. I would show the buyer this link http://www.lensrentals.com …0/front-element-scratches Dust would have less of an effect than scratches I would think.
Canon G11
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