Well again - the OP didn't mention a time involved; only that her camera stopped recording in the middle of a video. I never have clips more than 3-5 minutes long at a time so that's why I did not experience it. I did however experience the camera s...
I have never had that experience, and I have more than 4GB on my cards at any given time. All I know is that my video problems went away when I switched to Class 10 and I also use either a 16GB or a 32GB card nearly all the time. *shrug*
The OP said nothing about recording for 1/2 hour at a time - you did. When I first got my camera and I tried recording I was only able to record short segments at a time - which sounds exactly like what the OP said was happening. I re-read the OP's ...
You should make sure your SD card is Class 10. That is, it will have a little 10 (inside a circle) on the front of the card. Some cards are class 4, 6, etc. I had the same problem because I was not using the class 10 card. I also use a 32GB card. ...