Sigma 19mm & 30mm now IN STOCK at B&H.....deal is still on....

Started Jan 29, 2013 | Discussions thread
Vasyl Tsvirkunov
Regular MemberPosts: 209
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Re: Sigma 19mm & 30mm now IN STOCK at B&H.....deal is still on....
In reply to pvnlol, Feb 1, 2013

That seems to be a part of design - I've got my set yesterday and both lenses have that rattle. They stop doing it as soon as they get powered by camera so it sounds like some part of autofocus is driven magnetically. Remember that strange spring inside Pana 20? That could be a workaround for a similar design. Maybe Sigma decided that it is not a big deal.

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