Hi marcosochoa!
amphoto1 makes some very valid points, and it does sound like it could be the motor in the lens. We have found that sometimes we're able to remedy this without a costly repair, but it is a multi-stepped process.
Try this:
- Take the lens off of your camera.
- Put the lens in MF mode.
- Twist the FOCUS ring (the tip of the lens) all the way to one side (extend it). You may hear a click noise or two, this is good, but don't FORCE the lens.
- Twist the FOCUS ring all the way to the opposite side (retract it). Again, you may hear a couple of clicking noises. What we hope is happening is the focusing motor being put back into its proper place.
- Put the lens back on the camera.
- Put the lens in AF mode.
- Turn the camera on.
- Put the camera in AUTO or P mode.
- Take a test photo.
- Profit.
Hopefully this solves your problems, and you never have to worry about it again! With my personal lenses that are not USM or STM, I always store and transport them with the AF/MF switch in the MF position. This disengages the focusing motor and prevents any accidental damage to the auto focusing motor.
If this didn't solve your problem, please feel free to click HERE to contact us for additional troubleshooting, and explore other options that might be available to you.
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