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Can you trust Canon lens and its service any more?

After few weeks checking reviews, searching comments on the web, I finally bought a new Canon 17-55mm f2.8 IS lens from eBay for $1100 (to save few hundred Australian dollars). Maybe like most of you out there, I think, I trusted Canon qualities, especially with a highly ranked product. But not this time. Half photos taken with this lens have the quality par with my 18-55 f/3.5-5.6 kit lens (<$100) and other half are very blurry. When checking its IS, with wide open (f2.8), photos with IS on even worse than those with IS off. Not happy with the lens, send it to Canon for repair (Sydney, Australia), expecting to be returned in two weeks (standard repairing time). After two weeks, called Canon and found out that it was still on the shell and no one has touched it yet. Anyone had similar experience like this with Canon? Should it still be a trusted brand?

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a first for me

That's the first time I've read a problem with the quality of the 17-55mm. Every single time, on and forums, the lens is given the highest respect and admiration from the owners. I haven't even heard of one being mis-calibrated. Even L lens don't look that different, in good lighting, compared to the 18-55IS. You buy the 17-55 for the faster focusing, better build, and the 2.8 aperture while retaining IS.

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Unfortunately I am an unlucky one

In reply to: a first for me

I brought the lens for the same reason as you mentioned. Fast f2.8 with IS. But it didn't work :(.
My 18-55 is not IS version and I heard it is far better than my 18-55 f/3.5-5.6 II lens. I haven?t seen any comparison between 18-55 f/3.5-5.6 and 17-55 f2.8 IS. I assume they are not comparable.

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not really

The non-IS 18-55mm is noticeably below the image quality of the new IS version. They made a really good lens....almost too good to have people upgrade later unless they need the faster lens.

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If you shoot from a tripod with an IS lense, you should be

In reply to: Can you trust Canon lens and its service any more?

turning off the IS. Using IS on a tripod causes problems with focus. That's what Canon says. That's all I can think of.

My Canon equipment works very well. I have had one camera (film) that needed repair, but everything else thus far has been trouble free.

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No IS on tripod

In reply to: If you shoot from a tripod with an IS lense, you should be

Read this somewhere. Many thanks. To test IS, I did hand hold or no point.

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Maybe just bad luck?

In reply to: Can you trust Canon lens and its service any more?

I had my 24-105mm f/4 fixed for the flaring problem, which some 24-105mm f/4 lens had, and they were fast and responded within days. I havent had a problem with their customer service at least not yet.

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