Scenes can now be more easily segmented for downstream compositing.
Render Pass System and Photoshop Interoperability
The new Media Sync functionality provides two-way transfer of cameras, lights, null objects, plane objects/solids, footage, footage layering, blend modes, opacity, and effects with it, you can iterate more effectively and reduce rework to complete projects in less time. If you use Adobe ® After Effects ® software, you'll find a level of interoperability in Autodesk 3ds Max and 3ds Max Design 2013 that sets a higher standard for 2D/3D data exchange. 3ds Max 2013 new features Adobe After Effects Interoperability