Having problems with your Canon Digital Cameras ?

I have a Cannon 40D 28-135mm lens. With the lens in auto focus, the lens will act as if it has found the target will focus, beep, ready to shoot. The lens then makes a focusing sound and moves just a little. This is on a stationary target with camera on tripot. Whats wrong?


Answers :

What you can do is to get another sample, so see if that one focuses better in combination with your 40D.
What you can also do is to let Canon calibrate your 40D with both of your lenses.

Achieving focus is a task of both the lens ( the lens electronics decide on the steps the motor has to take, everytime the camera asks for a new "sample") and the camera (which is the one that judges the sample on focus by determining an increase or decrease in the contrast in the subject). So calibrating both the lenses and camera to work well together can increase AF performance a lot.\015\012\015\012 \015\012Hope that helps......
Does the camera still work even thought it does a small extra adjustment?
\015\012
\015\012Are your pictures fine and is the camera working ok otherwise?
\015\012
\015\012If your pictures are good then theres noting to worry about.
\015\012
\015\012if on the other hand you can't take pictures, try reseting the camera, there should be a small reset hole in it.
Repair Help & Product Troubleshooting for Canon Digital Cameras

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I have a Cannon 40D 28-135mm lens. With the lens in auto focus, the lens will act as if it has found the target will focus, beep, ready to shoot. The lens then makes a focusing sound and moves just a little. This is on a stationary target with camera on tripot. Whats wrong?


What you can do is to get another sample, so see if that one focuses better in combination with your 40D.What you can also do is to let Canon calibrate your 40D with both of your lenses.Achieving focus is a task of both the lens ( t ... Canon Digital Cameras

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