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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 02 Dec 2010 (Thursday) 18:17
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Decision time/Sigma service

 
jt354
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Dec 02, 2010 18:17 |  #1

Hey again :/

Sorry to start another thread on this, I'm not getting any replies on the old one and figured a new thread would be less confusing. I recently purchased both a Sigma and Canon 50mm f/1.4. I love the sharpness, build, and bokeh of the Sigma (really no comparison IMO), but of course it has an AF issue.

In addition, Amazon didn't package the lens properly, and it was sliding around freely in the packaging box during shipping. No idea if this affected anything...

Finally, there's a bit of dust in the lens (it was present before use). Will Sigma clean this for free under warranty? In general, what costs are involved in calibrating (shipping, etc.)? How long does it usually take?

Ugh, maybe I should just keep the Canon.


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themadman
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Dec 02, 2010 18:21 |  #2

If there is an af issue, just send it in, I don't see what is with the anxiety people have with sending gear in for calibration.

Costs, you pay to ship it to them, they do the rest.

Time? Mine took less than a week, but it may take longer depending how fast you ship to them and how far they are, how busy they are, etc.

Dust, don't worry about it, it won't affect anything.


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TooManyShots
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Dec 02, 2010 18:23 |  #3
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Send it in. The turn around time is usually within a week. Lens recalibration is under warranty coverage. I have mine done 2 weeks ago. They will also clean the lens too and even updating the firmware. The issue here is that if they can get the focus fixed without your body. I actually visited Sigma in person. They needed my 1dmarkIII to recalibrate the lens. Everything was done within an hour or so.

If the first time they can't get the focus fixed, you may have to send in the lens and body the second time.


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twoshadows
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Dec 02, 2010 19:35 |  #4

What is the AF issue?


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jt354
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Dec 02, 2010 20:44 |  #5

Front focus. Amazon's sending me a replacement, which hopefully will be usable for an event I'm shooting on Monday. Microadjust would make this a lot easier...


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twoshadows
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Dec 02, 2010 20:49 |  #6

I think you did the right thing. Imo, you (or anyone else) shouldn't have to send a brand new lens in for "calibration".


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TooManyShots
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Dec 02, 2010 20:50 |  #7
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twoshadows wrote in post #11385846 (external link)
I think you did the right thing. Imo, you (or anyone else) shouldn't have to send a brand new lens in for "calibration".


Yeah but we all know Sigma...:) Canon isn't any better...


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twoshadows
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Dec 02, 2010 20:54 |  #8

No question, Victor. Duds come in all brand names and sizes. :)


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pasm365
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Dec 02, 2010 22:41 |  #9

James Weaver wrote in post #11385826 (external link)
Front focus. Amazon's sending me a replacement, which hopefully will be usable for an event I'm shooting on Monday. Microadjust would make this a lot easier...

Without microadjust, buying a 3rd party lens with large aperture is often frustrating, you definitely need some good luck in order to get a decent copy. I once ordered a Tamron 17-50 f/2.8 on Amazon, exchanged twice and the 3rd copy is not much better than the 1st 2. I returned it instead. I would get at least a 50D before venturing into 3rd party large aperture territory.


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jt354
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Dec 02, 2010 23:43 |  #10

Aside from MFA I honestly have no need for a 50D for the "work" I do. If the 60D supported microadjust and had a decent AF system I'd consider it (I could go on a 60D rant at this point :mad:) I'll probably use the 40D until the shutter goes and get a 5D Mk III or 7D Mk II at that point. If I'm lucky Sigma #2 will at least be usable until I have time to get it calibrated.


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Decision time/Sigma service
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