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Problem with my Sigma Lens
#1

Apparently the lens mount is loose. I've been getting "lens not attached" errors more tghan occassionally lately. I may have to take the lens back. Has anyone had that problem?

Nikon D3100 with Tokina 28-70mm f3.5, (I like to use a Vivitar .43x aux on the 28-70mm Tokina), Nikkor 10.5 mm fisheye, Quanteray 70-300mm f4.5, ProOptic 500 mm f6.3 mirror lens. http://donschaefferphoto.blogspot.com/
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#2

Try cleaning the contacts, my sigma 24-70 was doing that and it was finger prints on the contacts, felt like an idiot at the repair store.
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#3

Thanks Bob. I thought of that but didnt't do it.

Nikon D3100 with Tokina 28-70mm f3.5, (I like to use a Vivitar .43x aux on the 28-70mm Tokina), Nikkor 10.5 mm fisheye, Quanteray 70-300mm f4.5, ProOptic 500 mm f6.3 mirror lens. http://donschaefferphoto.blogspot.com/
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#4

Thanks again. I cleaned the contact witha lens cloth. I think it worked.

Nikon D3100 with Tokina 28-70mm f3.5, (I like to use a Vivitar .43x aux on the 28-70mm Tokina), Nikkor 10.5 mm fisheye, Quanteray 70-300mm f4.5, ProOptic 500 mm f6.3 mirror lens. http://donschaefferphoto.blogspot.com/
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#5

Don Schaeffer Wrote:Thanks again. I cleaned the contact witha lens cloth. I think it worked.
Wow good job guys / Craig! Looks like you saved Don a trip to the service centre... Big Grin
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#6

an embarrassing trip.

Nikon D3100 with Tokina 28-70mm f3.5, (I like to use a Vivitar .43x aux on the 28-70mm Tokina), Nikkor 10.5 mm fisheye, Quanteray 70-300mm f4.5, ProOptic 500 mm f6.3 mirror lens. http://donschaefferphoto.blogspot.com/
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