Question about Tamron Cameras
First, I'm not a TAMRON Tech.
* Check your warranty and call for service.
* Ah, Found this on you tube. (VERY Technical!)
* Strongly suggest you have this lens serviced.
Posted on Jul 02, 2018
SOURCE: 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
You probably have to set the aperture manually on the lens, because it
might not have CPU contacts. I think changing the aperture on the
camera will probably have no effect, so just try twisting the aperture
ring to wide open.
You usually have to set the aperture at the minimum setting (highest number) so that if the camera is choosing the aperture, it can stop down to the required value.
No good having it set at f2.8 if the shot needs f11.
If the lens is very old, it might have a manual iris that you have to set yourself on the lens. The lenses that stop down automatically will have a tiny peg on the mount that a suitable camera can operate. Gentle pushing of this peg while looking through the lens will tell if it is stopping down - set it wide open first.
If you have a depth of field preview button, this will also have the same effect with the lens on the camera if the body matches up with the lens.
Posted on Jan 17, 2009
If it's only two months old then it's still under the manufacturer's warranty so send it back to Tamron. I can't tell you where to send it as you haven't said which country you're in. Tamron value their reputation and usually provide excellent after-sales care.
If you're in the UK you additionally have Sale of Goods Act protection for up to six years in England and Wales and five years in Scotland. Either way, the Act allows you to demand a full refund or replacement from the retailer; I'd suggest a refund as bad lenses often come in batches and a different supplier is less likely to have one from the same production batch.
Note that any attempt to fix the lens other than by normal use of the lens and camera controls may completely remove your warranty benefits or consumer protection.
Posted on Oct 28, 2009
It is dealing with the films. when closing the lens in the fabric, the electrical film changed its position to an unwanted situation. This makes noise sometimes. It is not important for functinality of the lens. But it only gives you an unwanted noise. There is nothing to do because film dries as the times passes. It needs to be changed but is not cheap. So it is better to go on to use it.
Posted on May 28, 2010
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