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Auto focus quit working

The auto-focus is not working...have I disengaged something....on vacation and do not have manual with me...everything else appears to be working

Posted by Leon Wells on

  • gasman1065 Oct 04, 2008

    hi i have eos 40d and my sigma lens has stopped working on autofocus i just keep getting a clicking noise but it works on manual, anybody have any ideas please

    Thanks

    Alan

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1 Answer

Anonymous

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Make sure you have not set a dial control to say manual focus or Macro focus. Run through the menu's on the screen to see if you have inadvertantly changed sometihg. As you are computing - give Pentax Technical Support Team a a go on their website

Posted on May 27, 2007

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Sometimes this happens.
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Focus Problem

Low light focus lock can be a problem with this camera. But in normal or bright light there should be no problem with auto focus lock. If this is a new problem, you should check to see if a setting has been changed. With so many options, it is easy to accidently set something that causes unusual results (been there, done that). First ... Go to the Setup Menu and see that the "All Reset" option is selected. This will cause everything to be reset to factory default each time you power-on the camera. Turn the camera off and then turn the camera on. Then take some test photos to see if your auto-focus-lock is improved. If that works, there is no need to check the items below. If that does not work, here are some control changes to try. Remember if you turn off the camera everything gets reset. That camera uses contrast detection for auto focus and it is normally set to "Multi-Area Auto Focus". Try changing it to "Spot Auto Focus" and do some tests, including with the camera set to one of the programs or manual mode. There is another setting called "Autofocus Area", you should investigate. Check your manual to determine what you can do with this control. There is another control called something like "continuous auto focus". Check the manual for further information. If none of the above help, it is time to see about some camera repairs.
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