this is my first forum post so please bear with me.

I recently bought a second hand 1Ds Mkii. The camera seemd to function normally for a few months until it suddenly failed to take a photo, the issue is described below.

I can turn on the camera, view photo's on the card, navigate the menus, and change shutter/aperture/ISO/drive mode autofocus etc without any issues.

If I press the shutter, I can hear the mirror flick up and the shutter activate. I have tested this by setting a longer shutter speed of 10s and listening to the camera. Initially after pressing the shutter I can hear a click and again after 10 seconds I can hear another click.

The issue is that after the photo has been taken the camera becomes completely unresponisve, the card access light is constant red. None of the buttons do anything including the off switch (the only way to turn off the camera is by removing the battery).

The photo never gets written to the card and other photo's remain unaffected.

The problem seems to be mostly in the cold in temperatures around 0deg Celcius. This issue is unpredictable. I am using sandisk extreme 16GB sd card. I have tried using a Sandisk extreme CFexpress card with the same results. Formatting the card in camera, or creating a new folder seems to help sometimes.

Is this a common/obvious issue. Any help would be appreciated

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  • \$\begingroup\$ When you format the card, do you do it in camera using the camera's menu or using another device, like a computer? \$\endgroup\$
    – Michael C
    May 15 at 1:38
  • \$\begingroup\$ Hi, thanks for replying. I format the card in the camera menu. \$\endgroup\$
    – Tekkie_j
    2 days ago


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