Question about Tamron 28-300 MM XR AF F/3.5-6.3 LD ASP for NIKON AF
Hello, I recently bought a Tamron 28-300mm Model 185D lens for my Nikon D40. I can't get the Auto Zoom to work. I was wondering what I am doing wrong. is ther any setting I have to put my camera in? Anything I have to do on the lens it self? Help!!!Thank youHigor
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.
Posted on Jul 05, 2008
The Tamron lens you speak of.., the 28-300mm Model 185D will only autofocus with models above the D60 (ie: D80, D200, D1x, D3 etc) Or those models with the AF motor built into the camera body. Manual focus is still possible, but is not very smooth. It would seem that the focusing gears are not disengaged on this model, which could make it seem like something is 'grinding' as in enqiury no.2.
Posted on May 04, 2009
I have such a lens on a Fuji S2 pro (Nikon F80 based). In-camera motor based AF and in manual focus, the drive disengages the lens and the focus is butter smooth via the focus ring. If there is a gear grinding feel or noise, the plastic focus gear train in the lens (there are about 6 in series on a 28-80 Tamron) are either damaged from an impact or more uncommon, are lacking lubrication. This lens is pretty heavy and has bad "creep" due to poor damping of the manual zoom, but it IS a 300mm 4 cam design.
Posted on Aug 18, 2012
I would try the dealer for this.
It is possible that you bought a lens without that feature, or the lens you bought has compatiblity issues with the camera.
Personaly, I prefer all original equipment. In the past I have had problems with universal and clone accessories for cameras.
I would go back to the dealer with both the lens and camera to demonstrate the fault that you are having.
Posted on Apr 29, 2008
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