Question about Sigma 17-50mm F2.8 EX DC OS HSM, normal or issue?

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nikonshutterbug
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Question about Sigma 17-50mm F2.8 EX DC OS HSM, normal or issue?
5 months ago

Hi all. I just received this used lens for Nikon mount. I only have D70s to test with. Focus and sharpness seem to be good after some quick test shots. But I noticed a noise like a losing part inside when I shake the lens. Does your lens do that? Is it an issue or it's normal because of some kind of floating mechanism inside the lens for OS? The lens looks new, no play or wobble on barrel, no sign drop/damage or tinkering with the screws. And it seems to be working OK. This is my first Sigma lens. Should I worry about this?

Thanks.

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Olympus OM-D E-M5 Olympus PEN E-P5 Panasonic Lumix G 20mm F1.7 ASPH Olympus M.Zuiko Digital ED 75mm 1:1.8 Panasonic Lumix G X Vario 35-100mm F2.8 OIS +12 more
Nikon D70s Sigma 17-50mm F2.8 EX DC OS HSM
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