How to Move to a Full Frame Camera

There are two main camera sensor standards: full frame (or 35mm) and crop sensor (or APS-C). A full frame sensor is about 1.5 times the size of a crop sensor, which changes things a bit. If you’ve just upgraded (or are thinking about upgrading) from a crop sensor camera to a full frame camera, here’s what you need to know.
by Harry Guinness via How-To Geek