Tamron is one of the oldest third-party lens makers with products on the market. The company makes lenses for most of the major 35mm-style manufacturers, and many professional photographers rely on them. Still, every once in a while, any piece of precision equipment can develop a fault. Here are some tips for troubleshooting and fixing Tamron lenses.
- Skill level:
- Moderately Challenging
Try switching to manual focus if you are having a problem with autofocus. If you can focus the lens manually, but it doesn't focus correctly automatically, the problem probably is in the electronics. The easiest fix for this is to clean the electronic contacts on both the rear of the lens and on the camera. If the contacts are dirty, the lens autofocus and aperture can't communicate with the camera's brain.
Clean the front and rear lens elements. There may be specks on either of these that can causes blotches or blurring in an image. Use only lens cloth and try to avoid doing this often. In fact, when you clean the front element, attach an ultraviolet or haze filter and don't take it off. This will protect the front element more than a lens cap because it always will be there, and it is cheaper to replace a filter than a lens.
Look through the lens toward a light source after you've cleaned it to determine if there is dust inside the lens. This is unlikely in a newer lens unless it has been dropped or banged up. Still, tiny particles can build up on the lens elements inside the lens barrel. Cleaning these elements entails taking the lens apart with a screwdriver carefully. Make sure you lay out all the elements on a soft cloth in the correct order so you can put it back together correctly.
Check the aperture leaves while you have the lens apart. They should open and close smoothly. If they don't, check to make sure they are clean and loose. You can lightly lubricate them.
Tips and warnings
- Taking apart a Tamron lens will void the warranty if it still is covered.
- This is delicate work, so unless you are absolutely sure you can handle it, take it to a repair shop.