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1D Mark IV Focus hanging up and spot goes out.
  
 
Bob the Medic
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p.1 #1 · p.1 #1 · 1D Mark IV Focus hanging up and spot goes out.


Was shooting soccer with a newly acquired 1D Mark IV and several times noticed my focus spot and all other viewfinder info go dim, fade out and camera stop working. Battery was fully charged. Problem went away and then camera functioned normally. But happened several times. I have owned this model several times and never encountered this issue. Camera does have over 200,000 clicks but appears well cared for. Has anyone else had this happen or gave any thoughts?

Thanks in advance

Bob



Oct 24, 2016 at 02:56 AM
scalesusa
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p.1 #2 · p.1 #2 · 1D Mark IV Focus hanging up and spot goes out.


Sounds like the power circuit board is going south, maybe a component is overheating. I'd have it repaired.


Oct 24, 2016 at 05:00 AM
EB-1
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p.1 #3 · p.1 #3 · 1D Mark IV Focus hanging up and spot goes out.


I'd send it back for a refund.

EBH



Oct 24, 2016 at 05:40 AM
Bob the Medic
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p.1 #4 · p.1 #4 · 1D Mark IV Focus hanging up and spot goes out.


Thanks. Seller will accept return. I'll likely return it.


Oct 24, 2016 at 08:30 AM
wonderer
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p.1 #5 · p.1 #5 · 1D Mark IV Focus hanging up and spot goes out.


I'm in a similar situation Bob but I think mine was user error. I was experiencing similar symptoms by using back button focus (BBF) with the AF-ON button. I contacted the seller and he informed he had it set to BBF using the * (AE Lock) button. If you haven't returned it already, check your settings under C. Fn-IV, 1 & 2.

I have mine set to:

C. FN IV 1 - 2 Metering start / Meter+AF start
C. FN IV 2 - 1 Enable

I'm still experiencing a little fading of the AF point but the camera focuses every time.



Oct 24, 2016 at 11:24 AM
 

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Bob the Medic
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p.1 #6 · p.1 #6 · 1D Mark IV Focus hanging up and spot goes out.


wonderer wrote:
I'm in a similar situation Bob but I think mine was user error. I was experiencing similar symptoms by using back button focus (BBF) with the AF-ON button. I contacted the seller and he informed he had it set to BBF using the * (AE Lock) button. If you haven't returned it already, check your settings under C. Fn-IV, 1 & 2.

I have mine set to:

C. FN IV 1 - 2 Metering start / Meter+AF start
C. FN IV 2 - 1 Enable

I'm still experiencing a little fading of the AF point but the camera focuses every time.


Thanks. I will double check tonight but I know it was not in back focus mode. Camera acted normally most of the time. Just faded in and out a few times. I appreciate your comments and advise.



Oct 24, 2016 at 02:52 PM
schlotz
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p.1 #7 · p.1 #7 · 1D Mark IV Focus hanging up and spot goes out.


+1 on a circuit board going south. A trip to the CPS doctors is in order.


Oct 24, 2016 at 03:38 PM
BobMarkey
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p.1 #8 · p.1 #8 · 1D Mark IV Focus hanging up and spot goes out.


Check to make sure the battery is not losing contact or going dead. Third party batteries sometimes do not fit properly and can cause the camera to intermittently lose power.



Oct 26, 2016 at 10:14 PM
Bob the Medic
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p.1 #9 · p.1 #9 · 1D Mark IV Focus hanging up and spot goes out.


Sent back to seller who very kindly offered refund


Oct 27, 2016 at 09:07 PM







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