Make no mistake: that whole 3D-everything trend is snaking its way into professional-grade products. Canon has issued a firmware update allowing its year-old XF305 and XF300 pro camcorders to record 3D HD video. There's a catch, though: you'll need two of these bad boys, which cost a princely $8,000 and $6,700, respectively. For those with a well-stocked studio, Canon's "3D Assist Feature" aims to take some of the grunt work out of setting up two cameras to record in 3D by optically aligning their lenses and calibrating their zoom settings. The company also beefed up the scan reverse feature so that you can flip the orientation of the video to horizontal, vertical or diagonal -- a strong probability if you're using a 3D mirror rig. Canon slipped in a few extra goodies as well, including the ability to turn off relay recording from one memory card to another, and to simultaneously record to two memory cards, should you be paranoid about data loss. So what are you waiting for? load the update. And, you know, get natural a second camera.