There are several programs that allows you to create 3D photos or videos from original 2D format. In this post I present you one program that offers you these option,it is named: 3DCombine. Practicaly ,you will be able to combine 2D pictures shots one by one ( one for left eye and another for the right eye) and save the output result in any format you want.
These are 3D formats that software supports:
You have here few video examples of what 3DCombine can do.
If you like this program you can download from HERE or you can download and register to www.3Dcombine.com