/ Sigma no no?

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stroppygob - on 18 Feb 2013
I've just moved up to a 5D mk III from a 450D.

I have a collection of lenses built up over the years, so I thought I'd try them on the off chance they would work. I tried them once each, and mainly got an; "error camera cannot connect with the lens properly, please clean the lens contacts," message, so I desisted.

One of them, a Sigma UC zoom 28-105mm 1.4-5.6 which would be an ideal "walkabout" lens, worked but only intermittently, on the 5D.

Is using this lens a big no-no? Is there any way it can be made suitable? Or should I sell/bin it?

Thanks for any and all advice.
Andy S - on 19 Feb 2013
In reply to stroppygob: strange - with Nikon lenses you can use all the crop-sensor lenses with the full frame models. Maybe you have to switch the camera to a 'cropped' mode? I think you have to do something like that with the Nikons
Philip on 19 Feb 2013
In reply to stroppygob:

Send it to sigma, they will update the chip to work with newer bodies.
icnoble on 20 Feb 2013
In reply to stroppygob: I would say that this lens would not do your new camera any justice at all. If I had this camera I would be getting this lens.

http://www.wexphotographic.com/buy-canon-ef-24-105mm-f4-l-is-usm-lens/p1010308

stroppygob - on 20 Feb 2013
In reply to icnoble: Thanks for that, I am considering it.

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