| Joined: | Sun Apr 1st, 2012 |
| Location: | South Lakeland, UK |
| Posts: | 4066 |
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The 'Err' problem usually indicates an issue reading the card or low battery.
Do you use a USB card reader or use USB cable to the camera?
I always download via a USB cable as I believe that taking the card in and out of the camera is not good for the camera or the card.
OK so the 'Err' is probably down to low battery.
The cards are good. I never use USB to transfer files, USB is fine for mice and keyboards but in my opinion never intended for transferring large files like NEF files.
I use a proper Firewire, Sandisk CF card reader, removing and inserting the cards carefully. Never had a problem (kiss of death there!). Much, much faster to unload a large number of NEF's from the camera with that. The D1/D1X had Firwire connectivity and I did occasionally connect to the computer with that but rarely USB.
I do use a cheap and nasty SD USB card reader for the D3300 cards, it has a CF slot but I would never use that for my D3 cards. It has Gaffer tape over the slot to prevent the ingress of foreign particles or CF Cards! LOL
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Robert.