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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 29 Apr 2009 (Wednesday) 19:14
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Sigma Calibration

 
ThomasOwenM
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Apr 29, 2009 19:14 |  #1

First time for everything. I've sent a lens back for calibration, my new Sigma 50 mm f/1.4. I escaped that monster with my Sigma 30 mm f/1.4. It's been spot-on since day one. I had hoped to have the same luck with the 50 mm lens, but no such luck. You can click on my name and see sample shots in another thread if you want.

I'm really hoping the 50 is spot on after this calibration. However, if it's not, I'll send it back again. I've decided I'm not accepting anything other than a perfectly focusing lens. If becomes as good as my 30, which I love, I'll be happy. I'll send it back however many times it takes.

There's one thing I'm wondering about. If Sigma can't get a lens calibrated spot-on, do they replace it with another one? That's what a lot of warranty companies do. If they can't fix a device, they replace it. If I end up sending this lens back a bunch of times, I would hope they would get me another one, check its calibration, and just send it to me.

I really hope Sigma handles their quality control issues. They make some excellent lenses. I could not be happier with my 30 mm f/1.4. I would think it would be less costly for Sigma to get the calibration right to begin with than to have to take a bunch of lenses back and then recalibrate them.

If my 50 mm Sigma ends up as good as my 30, it's a slam dunk that I'm keeping it and getting rid of my Canon 50 mm f/1.4. However, straight out of the box, the Canon one wins by a mile.


===============
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Jman13
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Apr 29, 2009 19:33 |  #2

I had the opposite luck. Had to go through 3 Sigma 30s before getting a good one, but my Sigma 50 was spot on right out of the box. The lens is a great one, so it's definitely worth sending for calibration.

ThomasOwenM wrote in post #7828332 (external link)
First time for everything. I've sent a lens back for calibration, my new Sigma 50 mm f/1.4. I escaped that monster with my Sigma 30 mm f/1.4. It's been spot-on since day one. I had hoped to have the same luck with the 50 mm lens, but no such luck. You can click on my name and see sample shots in another thread if you want.

I'm really hoping the 50 is spot on after this calibration. However, if it's not, I'll send it back again. I've decided I'm not accepting anything other than a perfectly focusing lens. If becomes as good as my 30, which I love, I'll be happy. I'll send it back however many times it takes.

There's one thing I'm wondering about. If Sigma can't get a lens calibrated spot-on, do they replace it with another one? That's what a lot of warranty companies do. If they can't fix a device, they replace it. If I end up sending this lens back a bunch of times, I would hope they would get me another one, check its calibration, and just send it to me.

I really hope Sigma handles their quality control issues. They make some excellent lenses. I could not be happier with my 30 mm f/1.4. I would think it would be less costly for Sigma to get the calibration right to begin with than to have to take a bunch of lenses back and then recalibrate them.

If my 50 mm Sigma ends up as good as my 30, it's a slam dunk that I'm keeping it and getting rid of my Canon 50 mm f/1.4. However, straight out of the box, the Canon one wins by a mile.


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Gliderparentntn
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Apr 29, 2009 19:34 |  #3

If by chance it don't come back spot on you may have to send your body and lens in to have them calibrate it to the body.
This leads me to ask a ? Are these lenses front focusing or back focusing to need the calibration?

I just bought the very same lens from a poster here that had his calibrated so hopefully that'll save me the trouble.


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liupublic
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Apr 29, 2009 20:18 |  #4

Sent a 24-60 in about 2 weeks ago. No news yet. How long did your take?


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google
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Apr 29, 2009 21:02 |  #5

liupublic wrote in post #7828590 (external link)
Sent a 24-60 in about 2 weeks ago. No news yet. How long did your take?

Almost a month for me when I sent in three lenses.

A week after I sent one back for a zoom issue that wasn't there when I sent it in the first time.




  
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thatkatmat
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Apr 30, 2009 00:01 |  #6

liupublic wrote in post #7828590 (external link)
Sent a 24-60 in about 2 weeks ago. No news yet. How long did your take?

From the day I shpped it 2 day express to NY to the day i got it back was (I think) 7 days maybe 8, including a weekend. I was very impressed


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Apr 30, 2009 08:47 |  #7

I haven't really fully tested my 30/1.4 yet
but everything I've shot with it seems ok

It's one of the least used lens in my bag (it and the 200/2.8) but everytime I do use it I wonder why I don't use it more...


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phigment
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Apr 30, 2009 08:56 as a reply to  @ SMP_Homer's post |  #8

I'm in a similar situation. I sent mine in yesterday for soft focus and front focus problems. I'm hoping it comes back right the first time, because the company here in Canada charges $50 for any warranty work (I don't know how they can justify it).

I called Sigma USA but they said they'd do the work, but they can't ship back to Canada.


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ThomasOwenM
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May 01, 2009 02:27 |  #9

phigment wrote in post #7831314 (external link)
I'm in a similar situation. I sent mine in yesterday for soft focus and front focus problems. I'm hoping it comes back right the first time, because the company here in Canada charges $50 for any warranty work (I don't know how they can justify it).

I called Sigma USA but they said they'd do the work, but they can't ship back to Canada.

That's weird. I don't know why they wouldn't ship back to Canada, especially if you paid for it. Sigma said I had to send $10 for them to send it back to Omaha. I paid $14 to send it via FedEx to them. Fortunately I didn't have to pay for any insurance because my camera gear policy already covers it, even in transit. But $24 a pop could still add up. I hope they get it right the first time ... I mean the second time. The first time would have been out of the box.


===============
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google
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May 01, 2009 06:46 |  #10

ThomasOwenM wrote in post #7836625 (external link)
That's weird. I don't know why they wouldn't ship back to Canada, especially if you paid for it. Sigma said I had to send $10 for them to send it back to Omaha. I paid $14 to send it via FedEx to them. Fortunately I didn't have to pay for any insurance because my camera gear policy already covers it, even in transit. But $24 a pop could still add up. I hope they get it right the first time ... I mean the second time. The first time would have been out of the box.

They asked you to pay for return shipping? That's odd. I've sent my lens to them twice and they didn't ask for return shipping. All my work was done under warranty.




  
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gabebalazs
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May 01, 2009 07:04 |  #11

One time I sent a lens to Sigma, it took only 8 days from the moment I dropped it off at UPS till I got it back.

Then another time I sent my lens AND my camera to them, and 10 days later I had to call for an update because I hadn't heard from them. At that time they didn't even seem to know whether the package arrived to them or not...:( But then I got them back after about 18 days. Too bad that they had my 40D too, it seemed like an eternity.


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Jpiano
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May 12, 2009 12:36 |  #12

ThomasOwenM wrote in post #7836625 (external link)
That's weird. I don't know why they wouldn't ship back to Canada, especially if you paid for it. Sigma said I had to send $10 for them to send it back to Omaha. I paid $14 to send it via FedEx to them. Fortunately I didn't have to pay for any insurance because my camera gear policy already covers it, even in transit. But $24 a pop could still add up. I hope they get it right the first time ... I mean the second time. The first time would have been out of the box.

Has is it come back yet? How does it perform now that it is fixed?


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CAL ­ Imagery
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May 12, 2009 13:56 |  #13

liupublic wrote in post #7828590 (external link)
Sent a 24-60 in about 2 weeks ago. No news yet. How long did your take?

My 24-60 took 7 weeks to return.


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thatkatmat
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May 12, 2009 14:18 |  #14

nphsbuckeye wrote in post #7907551 (external link)
My 24-60 took 7 weeks to return.

Ouch!


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Jpiano
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May 12, 2009 14:44 |  #15

nphsbuckeye wrote in post #7907551 (external link)
My 24-60 took 7 weeks to return.


Wow! That is ridiculous!


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Sigma Calibration
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