Create Vray Camera from Perspective View
This is a script that will allow you to create a Max Standard Target Camera (Ctrl+C) at the click of a button. More importantly it will allow you to create a VRay Phycical Camera from prespect view at the touch of a button. No more having to align your Vray-camera with the standard Max Camera. You can also choose which camera to display in the selected viewport from a drop-down list
To install simply copy the downloaded macroscript file to C:\Users\(Username...)\AppData\Local\Autodesk\3dsMaxDesign\2013\ENU\usermacros You may need to enable show hidden files to access the folder. After that you open 3ds max, go to customize> Customize User Interface> Toolbars. Under category find Oliver Emley and then drag CAMVIEW to an existing toolbar or create a new one. I have created it in Max 2013 but it may work in prevous versions. Hope it makes all your lives easier.