Sigma 400mm Lens Goes Haywire.
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Renato1
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Veteran Member
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Posts: 3,385
Re: Sigma 400mm Lens Goes Haywire.
_Michel_ wrote:
A link to a thread I just discovered on dyxum lenses where I was looking at gear construction with sigma (not found so far)
https://www.dyxum.com/dforum/recent-cases-of-sigma-gear-stripping-anyone_topic51349_page3
Some people have had this problem with the A700 too
I was looking for my sigma 70-210, APO-Macro but I think (and hope) the A68 has less tork because I think this lens has the plactic gear too unfortunately.
Michel
Hi Michel,
Thanks so much for digging that thread up for me. Curiously, when I clicked on it, I got a "Page Not Found". But when I Googled the title, it came up fine. Then I read it and the other pages, and got a terrible feeling in the pit of my stomach.
.
People have had Sigma gear stripping with the A200 and A230!!!! And gear stripping of EX lenses and the Bigma - I own the Bigma and a few EX lenses. Not to mention lenty of other people with stuffed 400mm Sigma lenses like mine.
.
It would seem that I had better reserve my Sigma lenses for use in my older and hopefully less powerful cameras. I wonder if any stripping could occur with the LA-EA4 adapter, as I'm getting an A7s soon?
.
Thanks again. I think you have saved me a lot of money.
Regards,
Renato
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