My Nikon D50 with AF-s DX 18-55mm lens, autofocus will not autofocus, manual focus works excellent but I can't get the autofocus to work! Help! I have tried everything I know to try to fix it- resetting all the settings, going throught everything trying to change it but I just went to use it and overnight it decided it didn't want to autofocus... is it broken? Do I have to buy a whole new lens?
I just encountered the same problem. The advice giver who forced the focus ring with autofocus engaged was right on the mark. (Thanks!) Actually, I didn't need to force it, just gave it a firm push. Voila!
Same happened to mine ,Its almost as though the motor has dis-engaged.I SOLVED MINE BY FORCING THE FOCUS RING WITH AUTOFOCUS ENGAGED THIS SEEMS TO HAVE RE ENGAGED THE MOTOR .HOWEVER BE CAREFUL I HAD LITTLE TO LOSE MINE WAS STILL UNDER WARRANTY WHEN I DID THIS.Its perfect since.
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Hi, 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, Andrew
Autofocus function on the D40 only supports lenses with the
AF-S feature, which have an autofocus motor built into the lens,
instead of using an autofocus motor drive built into the camera.
The Tamron lens you have, does not have a built in motor and
the autofocus function relies on the motor drive in the camera.
It will not work with the D40 or D60, but it will work with other
Nikon digital SLRs, such as the D80. Need to get an AF-S
type lens or upgrade to different Nikon digital SLR. Unless
you do this, you will have to manually focus the Tamron lens.
All of the Nikon DX (for digital) series lenses are also AF-S
type, so they will work with the D40, which is designed as
an entry level digital SLR, therefore it is intended primarily
for use with DX lenses, which are typically sold in a kit with
the D40. Most common one is Nikkor 18-55mm DX AF-S.
Other Nikon AF-S lenses made for film cameras (FX type)
will also work with the D40, but these tend to be expensive
professional models. DX series lenses tend to be more
affordable. You might consider the 18-200mm DX AF-S
as an alternative to the Tamron, but these are not cheap.