Question about Tamron 18-250mm F/3.5-6.3 AF Di-II LD Aspherical (IF) Macro Lens for Konica Minolta and Sony Alpha D...

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Auto focus problem

I was out taking pictures in a very cold day and suddenly the auto focus of my Tamron stoped working. Now instead of focusing, when i press the photo trigger the lens just zooms in and out without focusing at all. the only way that i seem to be able to use the camera is if i use the lens manually. Is there anything I can do?

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Re: auto focus problem

My first suggestion is to send it back if it is under warranty.

The grease probably got so thick, from the cold, that it caused too much resistance for the auto-focusing mechanism. You probably have damaged the focusing mechanism in the lens. You cannot repair this, yourself. I don't know how cold is too cold but it really shouldn't have done that.... Tamron makes cheap lenses. Try and exchange it for at least a Sigma.

Posted on Dec 29, 2007

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