Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Virtual Cameras for Unity Free.
Virtual Cameras for Unity v1.5
This package contains some of the most used camera controllers in games. All scripts are written in C# and are easy to adjust.
Progress: check the progress of features.
Lite: try the Lite version.
Features:
– Fly: a freely moving 2D or 3D camera like in the Unity Editor.
– RTS: a top-down camera like in Age of Empires.
– RPG: a third-person camera based on the camera behaviour in World of Warcraft.
– Multi-target: a camera which follows multiple objects in 2D.
– Smooth-follow: a camera which smoothly follows a target in 2D or 3D.
– Drag: used in RTS games, such as Civilization 5, for easy camera movement using the mouse.
– Orbit: a camera which orbits around an object.
– MTP: a camera which moves to a selected point.