Question about Canon EOS 40D Digital Camera

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I have a eos40d.. when shooting in AF the camera wont focus nor shoot.. i have to set it to MF to be able to get pics...

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  • jbrinquis Sep 12, 2009

    nope, is not that.. im in daylight and far away object

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Hi,

A few things to try. (you may have done all this already.

1. Make sure your battery is fully charged.

2. Remove the lens from the camera and inspect the 9 copper contacts that are on the bottom of the inside part of the lens. Ensure there is no damage or gook on any of them.

3. Do the same on the camera body. You'll see there are 9 spring loaded contact pins. ensure there are no damged pins and all move freely in and out.

4. Mount lens on camera, turn camera on, move mode dial to auto and press shutter release button to see if it will focus now. Make sure you AF is set to S-AF. Do this in plenty of available light.

5. if your indoors and the lighting is not great. Turn the flash on by pressing the button on the top left hand side of the camera. The flash will pop-up and you should be able to press the shutter release button.

One last thing to look at. With the lens mounted to the camera, press the MENU button and scroll down to firmware. It should be somewhere in tool list. Access the firmware. If the camera is recognizing the lens, the display should show the firmware for both the camera and the lens. If not, then........

You may want to contact manufacturing company. They should be able to give you further instructions. Failing that, they can give you an ideas as to the cost to repair.

If there is no response. you may just have a bad lens.. Many people have reported this problem and there is not much you can do about it then returning..

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Sep 12, 2009

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You are trying to focus to close to and object or in light that is too low.

Posted on Sep 12, 2009

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I have a eos40D, when in AF it wont focus nor shoot pics


Hi. Good Camera... Not being funny.. But do you have the instruction manual. If not first try resetting the camera. Once done, if you can live without live view don`t bother setting it up.
How to reset:-
-set the mode to manual
-press menu, scroll to the third yellow box with the spanner icon.
-scroll to Clear all camera settings,choose clear and confirm your choice.
When you are shooting make sure your lens is switched in AF mode.
Try this first and get back to me.

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Iso to auto


On the back of the camera to the Right of the LCD there is a up-down-left-right-center switch. push the up one. (Labeled ISO) then use the same selector switch to select the ISO you want and then press the shutter half way down. If you are shooting in a low light situation, the auto focus sometimes will not work. Change the switch on the lens from AF to MF and focus manually.

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1 Answer

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