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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 21 Feb 2012 (Tuesday) 19:02
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Sigma 50 1.4 - Send back to B&H for new or to Sigma for Calibration?

 
Inkio
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Feb 21, 2012 19:02 |  #1

I just received my Sigma 50 1.4 from B&H. I was hoping after reading all the front focusing issues that I would get a good copy. But as it seems I got a front focusing one. I did the AF adjustment to +20 on my 5d mkii and it is still off by enough to degrade my photos.

My question for everyone is would I be better off sending it back to B&H in hopes of getting a better copy

or

Sending it in to Sigma for them to Calibrate it and hope it comes back fixed.

I can only do one or the other, in order to send it to Sigma I need to fill out the warranty card. If I fill out the card I cannot return it to B&H.


Canon 5d MkIII | Canon 5D MkII | Canon 24-70 f/2.8L | Canon 70 - 200 f/2.8L | Canon 35 f/1.4L | Canon 50 f/1.2L | Sigma 85 f/1.4 EX DG HSM | 580 EXII | 430 EXII

  
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MATT0404
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Feb 21, 2012 19:19 |  #2

I'm in the same boat. I received mine today and could tell from the first shot that the focus was off. I'm now at +20 on my 5d2 and still need more.


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Inkio
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Feb 21, 2012 19:20 |  #3

MATT0404 wrote in post #13939452 (external link)
I'm in the same boat. I received mine today and could tell from the first shot that the focus was off. I'm now at +20 on my 5d2 and still need more.

Pretty frustrating. I have a Canon 50 1.4 that I can use in the mean time. I also got my Sigma 85 1.4 today also and the thing is tack sharp. I just don't want to send the 50 back to B&H and get another one with the same issue. I'm at a crossroad.


Canon 5d MkIII | Canon 5D MkII | Canon 24-70 f/2.8L | Canon 70 - 200 f/2.8L | Canon 35 f/1.4L | Canon 50 f/1.2L | Sigma 85 f/1.4 EX DG HSM | 580 EXII | 430 EXII

  
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Charlie
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Feb 21, 2012 19:22 |  #4

return it for sure, maybe sigma will start getting a hint.

Just get the Canon F1.4 and get a super duper protective hood and keep on at all times.


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deletedpenguin
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Feb 21, 2012 19:23 |  #5

The copy I got was pretty accurate out of the box. It's a great lens, if you're patient enough to work through the focusing issues. Once it's calibrated, it's sharp - the thing hasn't left my 5D MkII since I got it.

I'd say get it calibrated, if you are sure you want to keep it. If there's the slightest doubt in your mind that you actually want this lens, send it back.


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Feb 21, 2012 19:23 |  #6

Id have the thing calibrated by Sigma vs getting another...

if it needs +20 it could be that your body is just off compared to the body that Sigma uses to dial them in, Sigma will need your body and the lens, so they can ensure they dial the lens in to work with the 5DII

Also B&H I believe -will- still take it back if you explain the situation, Tell them that you just wanted to give Sigma a chance to fix it as opposed to automatically returning it, They had their chance and failed, B&H will probubly take it back no problem


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Inkio
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Feb 21, 2012 19:26 |  #7

deletedpenguin wrote in post #13939488 (external link)
The copy I got was pretty accurate out of the box. It's a great lens, if you're patient enough to work through the focusing issues. Once it's calibrated, it's sharp - the thing hasn't left my 5D MkII since I got it.

I'd say get it calibrated, if you are sure you want to keep it. If there's the slightest doubt in your mind that you actually want this lens, send it back.

The only doubt in my mind is that I send it to Sigma, get it back, and there is still a problem. Then I can't return it and I can't in my morally right mind sell it to someone else knowing it has a problem.


Canon 5d MkIII | Canon 5D MkII | Canon 24-70 f/2.8L | Canon 70 - 200 f/2.8L | Canon 35 f/1.4L | Canon 50 f/1.2L | Sigma 85 f/1.4 EX DG HSM | 580 EXII | 430 EXII

  
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deletedpenguin
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Feb 21, 2012 19:39 |  #8

It'd be pretty poor form if Sigma continued to "calibrate it", and send it back, only to have ongoing issues. Is there a 'lemon law' around how many times a lens can be calibrated before a new one is sent out?


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Inkio
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Feb 21, 2012 19:52 |  #9

deletedpenguin wrote in post #13939611 (external link)
It'd be pretty poor form if Sigma continued to "calibrate it", and send it back, only to have ongoing issues. Is there a 'lemon law' around how many times a lens can be calibrated before a new one is sent out?

I have been reading a lot about the issue and from what it sounds some people have luck with sending it to Sigma and some don't. I'm not sure how many times it would take and whether or not Sigma would replace it. I think for this copy I am going to send it back to B&H in hopes of getting a better copy. I ordered the Lens yesterday and it came today, B&H is fast with shipment. I have been reading that it took some people 2 copies and some people up to 4 copies before they got one that needed little to no adjustments with the cameras af adjustments.


Canon 5d MkIII | Canon 5D MkII | Canon 24-70 f/2.8L | Canon 70 - 200 f/2.8L | Canon 35 f/1.4L | Canon 50 f/1.2L | Sigma 85 f/1.4 EX DG HSM | 580 EXII | 430 EXII

  
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thestone11
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Feb 21, 2012 21:00 |  #10

Sigma 50mm f/1.4 is very famous for its AF inconsistency and focus shift! I tried 3 copies, none of them works out of the box! I ended up getting the canon 50mm f/1.4, I have no problem with its AF, works great out of the box. But I ended up selling it for a better build quality 50L and ofcoz f/1.2 aperture.


Canon 5D MK II | Fuji X100 | Canon T2i | Canon 100mm macro f/2.8 | Canon 135L f/2 | Canon 50mm f/1.2 L | 17-40mm f/4 L | 24-70mm f/2.8 L | 70-200mm f/4 L IS USM |Canon 430EX II Flash X2 | Pocketwizard TT5 & TT1

  
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MATT0404
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Feb 21, 2012 23:18 |  #11

Looks like I'm sending mine back. There have been a few instances where it failed to autofocus at all.

Edit: I just processed a defective equipment return through Amazon. I think I'll give it one more try before moving on to a something different altogether. My replacement should be here on the 23rd. :fingers crossed:


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lyttleviet
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Feb 22, 2012 04:44 |  #12

mines calibrated and still isn't working properly.


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Inkio
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Feb 22, 2012 04:59 |  #13

Yeah. I'm going to give it one more try. If the next copy doesnt workI'm just going to trade it in for a Canon 1.4 . I don't get how Sigma can add a new finish but not fix the actual focusing issues with the lens. If their 85 1.4 comes tack sharp out of the box why can't they get the 50 to?


Canon 5d MkIII | Canon 5D MkII | Canon 24-70 f/2.8L | Canon 70 - 200 f/2.8L | Canon 35 f/1.4L | Canon 50 f/1.2L | Sigma 85 f/1.4 EX DG HSM | 580 EXII | 430 EXII

  
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jayadeff
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Feb 23, 2012 14:51 |  #14

My Sigma 50mm 1.4 worked perfectly out of the box, and still works great on my 5D and 1D-MkII. The only camera it didn't work great on is an XSi, but I really wouldn't use it on that camera anyway. I can say that the Sigma is definitely superior to the Canon 50mm 1.4 at large apertures, and that's where I use it 99% of the time anyway. If you really want the sharpest 50mm 1.4, I would recommend sending it to Sigma until they get it right. When it's on, it's a fantastic lens.




  
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agv8or
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Feb 23, 2012 15:41 |  #15

Inkio wrote in post #13939505 (external link)
The only doubt in my mind is that I send it to Sigma, get it back, and there is still a problem. Then I can't return it and I can't in my morally right mind sell it to someone else knowing it has a problem.

EXACTLY! Send it back for a refund or replacement.


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Sigma 50 1.4 - Send back to B&H for new or to Sigma for Calibration?
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