Just select cameras(without target) and run the script. Script will create "Bake Cameras". Then you will need to export all cam in fbx(-z) and import in UE4.
--Support Target Camera, Free, and animation FoV
Script is free
Script
By nikostap · Credited author: Ostapets Nikita · 2016-07-18
Tags: Animation, camera, fbx, bake transform, free maxscript, unreal camera export, 3ds max 2014
Just select cameras(without target) and run the script. Script will create "Bake Cameras". Then you will need to export all cam in fbx(-z) and import in UE4.
--Support Target Camera, Free, and animation FoV
Script is free