new sigma 17-70 2.8 to 4 autofocus issues straight out of box

Started Apr 28, 2012 | Discussions thread
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SmittenHobbyist Regular Member • Posts: 240
Re: new sigma 17-70 2.8 to 4 autofocus issues straight out of box

all generic lenses have crappy AF
(and crappy VR/OS/VC also, btw)

nothing Auto focuses on a Nikon body like Nikon glass

that's why your lens was cheap

Christopher Anthony wrote:

Hello,

I just got my Sigma 17-70 for my Nikon D7000.

Well I want to love it, however whats up with the auto focus in low light?

I tried different focus points and some different camera settings but it goes
crazy trying to lock on.

Plz let me know if you think I got a bad copy.

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