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20D lockup - Photography

It happened today with a 100-400 IS lens (which is kind of interesting since I searched a few forums and found others reporting the same lens when their 20Ds locked up). My 20D has the latest firmware (it came with it). My symptoms were pretty much identical to what has already been reported here ... the camera focused but the shutter would not fire. I tried another CF, another lens, power off and back on again ... no joy. I did notice one thing that I didn't catch in my readings of earlier posts and that is the camera reported ...

  1. #1

    Default 20D lockup

    It happened today with a 100-400 IS lens (which is kind of interesting since
    I searched a few forums and found others reporting the same lens when their
    20Ds locked up). My 20D has the latest firmware (it came with it).
    My symptoms were pretty much identical to what has already been reported
    here ... the camera focused but the shutter would not fire.

    I tried another CF, another lens, power off and back on again ... no joy. I
    did notice one thing that I didn't catch in my readings of earlier posts and
    that is the camera reported ERR 99 AFTER I changed lenses.

    Of course, removing the battery and putting it back in fixed it and I shot a
    bunch more with three lenses and no additional problems.

    Methinks there is a subtle but generic problem here.


    Charles Guest

  2. #2

    Default Re: 20D lockup

    Charles Schuler wrote:
     

    I'm surprised there hasn't been a firmware fix for this yet.


    --
    -- r.p.e.35mm user resource: http://www.aliasimages.com/rpe35mmur.htm
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    -- [SI] gallery & rulz: http://www.pbase.com/shootin
    -- e-meil: there's no such thing as a FreeLunch.
    Alan Guest

  3. #3

    Default Re: 20D lockup


    "Charles Schuler" <net> wrote in message
    news:com... 
    Some questions before answers Charles.
    Are you using a 'BG-E2 Grip' on the camera?
    If so what are the first 4 digits of the serial number?

    Possible answers:
    The grip has a history of not contacting both batteries and when the one it
    does make contact with is below 60% and you use a high load focus motor like
    your lens has, goodnight time.

    Another possibility is the contacts inside the battery housing of the
    camera. This will affect the camera wether or not you use a grip. A chamoi
    cloth with a contact cleaner solution obtainable from most electronics shops
    will often fix both problems. It wouldn't hurt to give the lens and body
    contacts a go over with the stuff too. It seems some early serial number
    grips had quite light contact preasure in the camera and it's own battery
    compartment.

    I would very much like to know if the problem persists after you follow my
    cleaning suggestion. 15 out of 17 fixed so far!


    one Guest

  4. #4

    Default Re: 20D lockup


     

    No.
     
     

    I'll let you know ... thanks!


    Charles Guest

  5. #5

    Default Re: 20D lockup

    On Fri, 11 Mar 2005 17:23:47 -0500, "Charles Schuler"
    <net> wrote:
     

    I've had this happen at times and the fix was to turn off the
    autofocus and then the shutter works. When it occurs, it is
    usually some sort of low-light situation or where the object
    is really far away (like the clouds). Poping the lens out
    while the camera is in this canundrum seems to put it
    into an error condition. I don;t know if that's helpful to you.
    Works for me.

    rgds

    Ken

    Ken Guest

  6. #6

    Default Re: 20D lockup

     

    Happened four times yesterday. Guess it's time to call Canon.


    Charles Guest

  7. #7

    Default Re: 20D lockup

    Charles Schuler wrote:
     
    >
    >
    > Happened four times yesterday. Guess it's time to call Canon.
    >
    >[/ref]

    Have you sent off an email to Canon - has been mentioned as a firmware
    glitch
    Rob Guest

  8. #8

    Default Re: 20D lockup

    "Rob" <com> wrote in message
    news:4234d4bd$0$27870$sydney.pipenetworks.com.au.. . 
    >>
    >>
    >> Happened four times yesterday. Guess it's time to call Canon.[/ref]
    >
    > Have you sent off an email to Canon - has been mentioned as a firmware
    > glitch[/ref]

    Mentioned by whom, where?

    --
    Skip Middleton
    http://www.shadowcatcherimagery.com


    Skip Guest

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