Questions & Answers for: sigma force

Broken? My lens refuses to focus, either manually or on automatic. Not quite sure what the problem is, but I'm assuming the problem is mechanical. Any suggestions on how to proceed? The body seems to ...

Sigma 70-300 F4-5.6 APO DG MACRO for Nikon AFD Focusing problem This little used lens which is one and a half years old seems to have developed a mechanical focusing problem. It focuses perfectly in ...

door locked shut June 2009 1992 wagon left door jammed tight shut. how to open/fix? I've removed self-tapper screws from handles, clip from window winder, but interior panel won't budge? Any ideas ...

How do I sight-in(zero-in) my handgun(S&W Sigma Series 40 cal.) Factory issue sights, aiming center mass hitting target bottom left. The problem with this is, the Sigma comes with Fixed Rear Sites

force the lens or attempt an incompetent repair you'll ruin a £300 lens. The best option is to send it to Sigma for a repair estimate, if you're in the UK then there's a fixed fee of £93.99

what is the purpose of the limit/full switch It limits the focus range. In full, the camera will hunt from one end of the focus range to the other as it seeks to autofocus. You can limit the hunting ...

I have a Sigma 400mm APO HSM Tele macro lens that I am most pleased with. It takes amazingly sharp pics, even wide open, that I am forced to do because I cannot get a re-chip done. My problem is that ...

...to what you have described. Whether or not in warranty, I'd suggest starting by contacting sigmaphoto.com to see if they have any suggestions. FWIW, I have the (newer version) 50-500 OS USM ...

...sigma mini wide 1:2.8 f=28mm multi coated lens thank you It depends totally on whether your camera takes interchangeable lenses, and if so, do these lenses have the same fitting ? Your camera manual ...

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