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...
Does the camera recognize the lens? I mean does the camera just say F--- or does it show all the information for the lens?
Posted on Nov 04, 2013
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Posted on Jan 02, 2017
A dirty filter or smudges/marks on the optics, especially the rear element can cause focus issues. Cleaning the pins contacts on the mount of the lens can be a simple solution too. Beyond that, circuit replacement is the next likely step.
Posted on Jun 06, 2009
You might like to check if the A/M slider switch on the lens by the Nikon label is set to A.
It sometimes gets moved accidently.
Set to M the lens will not autofocus.
Posted on Jul 04, 2009
I experienced the exact same problem with my 100-300mm lens and I was never able to get it to work correctly again. In fact, attempting to use it further seemed to exacerbate the problem.
The further you zoom, the wider the aperture opens allowing more light for the camera to focus properly. If the aperture mechanism is damaged, the auto-focus process may not work as it should; which would explain why the auto-focus feature works only when at 18mm.
Regardless, I strongly recommend you discontinue use of the lens until a professional technician can examine the lens and figure out what's going on. I'm sure you can contact the manufacturer to open a support case or you can find a camera store that offers repair services.
I hope this helps!
Posted on Aug 30, 2009
Testimonial: "Thanks, I'll check with Nikon. I appreciate the help! Don "
Sorry to hear about your lens. If you are able to autofocus and take pictures with any other lens, then it means that your problem lies with the kit lens. If you can take picture in manual mode, but not in autofocus mode, then the AF motor in the lens in not functioning. I had the same thing happen to my 50mm 1.4 lens.
Depending on your location, there are Nikon repair centers in Melville, NY and Torrance, CA.
Hope this helps,
Posted on Apr 16, 2010
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