Here are some Frequently Asked Questions regarding the GoPro Hero cameras.
Q: Will the GoPro 3D System work with two different cameras i.e. the Original HD Hero Camera and the HD Hero 2 Camera?
A: Unfortunately, the answer is no. You need to use two of the same cameras. Currently, you can only use 2 Original HD Hero Cameras. You will soon be able to use two GoPro HD Hero 2 Cameras.
As always, for additional information and answers to other questions not listed here please visit http://www.goprofanatics.com. GoProFanatics.com is an online forum dedicated to the GoPro with lots of active members who post about the GoPro.