Before I send my lens for repair again.

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Frank is what most call me
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A while back I bought a sigma 70-200 for my camera, a Sony a580 at the time which was excellent till I put it on my a77 and it failed immediately without chance to click the shutter.

The lens which was out of guarantee was sent to Sigma for servicing at the cost of around £150 and although I took a few snaps I didn't check them at the time as I lost my Mum so everything went on the back burner. When I finally got round to checking them the warranty on the work had passed. Despite the images looking perfect when viewed in play back on the viewfinder many look out of focus when they are viewed on the pc.

The problem is only with this lens as the rest are fine and I wondered if anyone had any ideas as what it may be. With Sony seemingly not adding to the a mount range any more I am considering switching to a Canon 760d or 70d as opposed to laying out another £150 or more on this lens.

Thanks in advance :-)
 
I did this but they said there would still be the charge to pay due to how far out of the work warranty the lens repair was, my fault entirely as I didn't check it immediately but other things got in the way.
 
I don't suppose your camera has any kind of autofocus adjust? On mine you can compensate for back/front focus via the camera menu.
 
I think you have answered your own question ,the switch to canon should go smoothly
 
I've had this with a Sigma 70-200. I did get the second repair for free. The third time as well and they send it back to Japan. The report came it was fine.

I then tried it on my old D70 and indeed it looked absolutely fine. But it just wouldn't work on my recent camera. I sold the pos and that user was very happy with it. Go figure.

I got the real deal and never looked back.
 
I've had this with a Sigma 70-200. I did get the second repair for free. The third time as well and they send it back to Japan. The report came it was fine.

I then tried it on my old D70 and indeed it looked absolutely fine. But it just wouldn't work on my recent camera. I sold the pos and that user was very happy with it. Go figure.

I got the real deal and never looked back.


It worked absolutely fine on my a300 and then the a580 but I never really got chance to find out with the 77 as the focus motor went as soon as the camera was turned on. Sigma said it wasn't the gear stripping issue that was common place but a different issue and they assured me it would be fine as the lens firmware etc was all up to date and compatible with the 77. Prior to the issue the lens was spot on.
 
After emailing Sigma this lunchtime expressing my great disappointment at my lens now needs a second trip to see the lens doctor I was surprised and pleased to get an answer within half an hour offering to fix it for free.
 
Glad you're getting it sorted. It is a shame that Sony seem to be neglecting A-mount, but the A77 is a cracking camera and I wouldn't swap it for one of the Canons you mentioned tbh.
 
After emailing Sigma this lunchtime expressing my great disappointment at my lens now needs a second trip to see the lens doctor I was surprised and pleased to get an answer within half an hour offering to fix it for free.

That's great news and a very good gesture from them.

I hope it gets sorted out and once back you're very happy with the results.
 
After flicking through the thread I though about a time when I had a soft sigma and said I'd never buy another, it's a great service that makes you reconsider such a decision.
 
Glad you're getting it sorted. It is a shame that Sony seem to be neglecting A-mount, but the A77 is a cracking camera and I wouldn't swap it for one of the Canons you mentioned tbh.

It's not the way I want to go in reality as I have been A-mount since the alpha 100, the problem is that if Sony drop the A-mount then I will have no choice possibly but to switch brands when my 77 (ii) finally bites the dust. I have tried the E-mount with the a6000 but I sold that after a couple of weeks or so as I can't get on with the grip/size as I want to know I have a camera in my hand as opposed to a matchbox.....just no fan of small form cameras.
 
It's not the way I want to go in reality as I have been A-mount since the alpha 100, the problem is that if Sony drop the A-mount then I will have no choice possibly but to switch brands when my 77 (ii) finally bites the dust. I have tried the E-mount with the a6000 but I sold that after a couple of weeks or so as I can't get on with the grip/size as I want to know I have a camera in my hand as opposed to a matchbox.....just no fan of small form cameras.
Tbh I was a Sony user having the A77 then A77-II, but then wanted FF and being as I had to change all my lenses anyway I decided to jump ship purely for this reason ie the uncertainty of A-mount. Shame really as it's a great system.
 
Had a call today from Sigma UK saying they can't fix the lens due to complexity of the work that needs doing with the optics so they are shipping it back to Japan for the necessary work to be done there...still no charge which is good of them.
 
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