6d T3I

After you have read the difference between these two cameras answer the questions below:

1. What is the difference between a Full Frame Camera and a Crop Sensor?
Basically, with a full frame, you get the "full" image, and in tern, the picture looks better. With a crop sensor it is essentially the opposite.
2. What are five advantages of the 6D compared to a T3i?
low noise at high iso, better image quality, in camera hdr, better boost iso, shoots faster
3. What makes the autofocus of the Canon 5D Mark III better than that of the 6D?
61 focus points versus 41 in the 6d